/*
 * theme-b.css — 纸墨皮肤（编辑杂志风）
 *
 * 所有规则作用域到 .sjy-theme-b，不污染全局。
 * :root 变量改为 .sjy-theme-b 注入，@keyframes 保持全局。
 * 不重复 theme-base.css 的 reset / 切换器 / 弹层。
 *
 * 「IO→10」修复：.b-stat-number 使用 font-variant-numeric: lining-nums + font-feature-settings: "lnum" 1
 *   并切换为 Noto Serif SC 作为数字字体，避免 Cormorant Garamond 旧式数字把「10」渲染成「IO」视感。
 */

/* =============================================
   设计 Token（作用域到 .sjy-theme-b）
============================================= */
.sjy-theme-b {
  --b-paper:       #faf9f7;
  --b-paper-2:     #f3f1ec;
  --b-divider:     #e6e2d8;
  --b-ink:         #1a1a1a;
  --b-ink-2:       #4a4742;
  --b-ink-3:       #8a857c;
  --b-crimson:     #c41e3a;
  --b-camel:       #e8d4c0;
  --b-serif:       'Noto Serif SC', serif;
  --b-sans:        'Noto Sans SC', sans-serif;
  --b-cormorant:   'Cormorant Garamond', serif;
  --b-max-w:       1200px;

  /* 供共用组件（switcher/onboarding）读取的强调色 */
  --theme-accent:  #c41e3a;
}

/* =============================================
   基础 body 样式
============================================= */
.sjy-theme-b {
  background: var(--b-paper);
  color: var(--b-ink);
  font-family: var(--b-serif);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.sjy-theme-b a {
  color: inherit;
  text-decoration: none;
}

.sjy-theme-b img {
  max-width: 100%;
  display: block;
}

/* =============================================
   容器 & 工具类
============================================= */
.sjy-theme-b .b-container {
  max-width: var(--b-max-w);
  margin: 0 auto;
  padding: 0 40px;
}

.sjy-theme-b .b-kicker {
  font-family: var(--b-cormorant);
  font-size: 0.78rem;
  font-style: italic;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--b-crimson);
}

.sjy-theme-b .b-section-label {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 48px;
}

.sjy-theme-b .b-section-label h2 {
  font-family: var(--b-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--b-ink);
  letter-spacing: 0.04em;
}

.sjy-theme-b .b-section-label .b-en {
  font-family: var(--b-cormorant);
  font-size: 0.85rem;
  font-style: italic;
  letter-spacing: 0.2em;
  color: var(--b-ink-3);
}

/* =============================================
   淡入上移动画
============================================= */
.sjy-theme-b .b-fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.sjy-theme-b .b-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   HEADER
============================================= */
.sjy-theme-b .b-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--b-paper);
  border-bottom: 1px solid var(--b-divider);
  padding: 16px 0;
}

.sjy-theme-b .b-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sjy-theme-b .b-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sjy-theme-b .b-logo-zh {
  font-family: var(--b-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--b-ink);
  letter-spacing: 0.1em;
  line-height: 1;
}

.sjy-theme-b .b-logo-en {
  font-family: var(--b-cormorant);
  font-size: 0.65rem;
  font-style: italic;
  letter-spacing: 0.35em;
  color: var(--b-ink-3);
  text-transform: uppercase;
}

.sjy-theme-b .b-nav {
  display: flex;
  gap: 36px;
  align-items: center;
}

.sjy-theme-b .b-nav a {
  font-family: var(--b-sans);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--b-ink-2);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.sjy-theme-b .b-nav a:hover {
  color: var(--b-crimson);
}

/* =============================================
   HERO — 杂志封面式
============================================= */
.sjy-theme-b .b-hero {
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--b-divider);
}

.sjy-theme-b .b-hero-inner {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: end;
}

.sjy-theme-b .b-hero-left {
  max-width: 680px;
}

.sjy-theme-b .b-hero-kicker {
  margin-bottom: 20px;
}

.sjy-theme-b .b-hero-title {
  font-family: var(--b-serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--b-ink);
  margin-bottom: 8px;
}

.sjy-theme-b .b-period {
  color: var(--b-crimson);
}

.sjy-theme-b .b-hero-rule {
  width: 64px;
  height: 4px;
  background: var(--b-crimson);
  margin: 20px 0 28px;
}

.sjy-theme-b .b-hero-quote {
  font-family: var(--b-cormorant);
  font-size: 1.45rem;
  font-style: italic;
  color: var(--b-ink-2);
  line-height: 1.6;
  margin-bottom: 28px;
}

.sjy-theme-b .b-hero-quote::before {
  content: '\201C';
  color: var(--b-crimson);
  margin-right: 2px;
}

.sjy-theme-b .b-hero-quote::after {
  content: '\201D';
  color: var(--b-crimson);
  margin-left: 2px;
}

/* 首字下沉 */
.sjy-theme-b .b-hero-lead {
  font-family: var(--b-serif);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--b-ink-2);
  max-width: 560px;
}

.sjy-theme-b .b-hero-lead::first-letter {
  font-family: var(--b-cormorant);
  font-size: 3.8em;
  font-weight: 600;
  float: left;
  line-height: 0.78;
  margin-right: 6px;
  margin-top: 8px;
  color: var(--b-ink);
}

/* =============================================
   报刊数据栏
   「IO→10」修复：数字字体改用 Noto Serif SC（等宽字宽的中文衬线体），
   并强制 lining 数字（font-variant-numeric: lining-nums），
   避免 Cormorant Garamond 旧式数字把「10」中的「1」渲染成修长体，
   与「0」组合后视觉上近似「IO」。
============================================= */
.sjy-theme-b .b-hero-stats {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--b-divider);
  padding-left: 40px;
  padding-bottom: 8px;
  align-self: center;
}

.sjy-theme-b .b-stat-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--b-divider);
}

.sjy-theme-b .b-stat-item:last-child {
  border-bottom: none;
}

.sjy-theme-b .b-stat-number {
  font-family: var(--b-serif);            /* Noto Serif SC — 旧式数字问题不存在 */
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--b-ink);
  line-height: 1;
  margin-bottom: 6px;
  font-variant-numeric: lining-nums;      /* 强制等高数字 */
  font-feature-settings: "lnum" 1;        /* OpenType 等高数字 feature */
}

.sjy-theme-b .b-stat-number .b-count {
  display: inline-block;
}

.sjy-theme-b .b-stat-label-en {
  font-family: var(--b-cormorant);
  font-size: 0.72rem;
  font-style: italic;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b-ink-3);
  display: block;
}

.sjy-theme-b .b-stat-label-zh {
  font-family: var(--b-sans);
  font-size: 0.72rem;
  color: var(--b-ink-3);
  margin-top: 2px;
  display: block;
}

/* =============================================
   最新文章 — 编辑目录
============================================= */
.sjy-theme-b .b-recent-notes {
  padding: 80px 0;
  border-bottom: 1px solid var(--b-divider);
}

/* 头条大卡 */
.sjy-theme-b .b-feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 40px;
  background: var(--b-paper-2);
  border: 1px solid var(--b-divider);
  margin-bottom: 48px;
}

.sjy-theme-b .b-feature-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.sjy-theme-b .b-feature-date {
  font-family: var(--b-cormorant);
  font-size: 0.75rem;
  font-style: italic;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--b-ink-3);
}

.sjy-theme-b .b-feature-cat {
  font-family: var(--b-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--b-crimson);
  background: rgba(196, 30, 58, 0.08);
  padding: 2px 8px;
  border-radius: 1px;
}

.sjy-theme-b .b-feature-title {
  font-family: var(--b-serif);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--b-ink);
  margin-bottom: 16px;
  transition: color 0.2s;
  display: block;
}

.sjy-theme-b .b-feature-title:hover {
  color: var(--b-crimson);
}

.sjy-theme-b .b-feature-excerpt {
  font-family: var(--b-serif);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--b-ink-2);
}

.sjy-theme-b .b-feature-issue {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  gap: 12px;
}

.sjy-theme-b .b-issue-number {
  font-family: var(--b-cormorant);
  font-size: 6rem;
  font-weight: 500;
  color: var(--b-divider);
  line-height: 1;
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

.sjy-theme-b .b-issue-label {
  font-family: var(--b-cormorant);
  font-size: 0.78rem;
  font-style: italic;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b-ink-3);
}

/* 编辑列表 */
.sjy-theme-b .b-article-list {
  display: flex;
  flex-direction: column;
}

.sjy-theme-b .b-article-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--b-divider);
  transition: background 0.2s;
}

.sjy-theme-b .b-article-row:first-child {
  border-top: 1px solid var(--b-divider);
}

.sjy-theme-b .b-article-row:hover {
  background: var(--b-paper-2);
}

.sjy-theme-b .b-article-date-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-top: 3px;
}

.sjy-theme-b .b-article-date {
  font-family: var(--b-cormorant);
  font-size: 0.78rem;
  font-style: italic;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--b-ink-3);
}

.sjy-theme-b .b-article-issue {
  font-family: var(--b-cormorant);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--b-divider);
  line-height: 1;
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

.sjy-theme-b .b-article-right {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sjy-theme-b .b-article-kicker-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sjy-theme-b .b-article-title {
  font-family: var(--b-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--b-ink);
  line-height: 1.45;
  transition: color 0.2s;
  display: block;
}

.sjy-theme-b .b-article-row:hover .b-article-title {
  color: var(--b-crimson);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.sjy-theme-b .b-article-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.sjy-theme-b .b-tag {
  font-family: var(--b-sans);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--b-ink-3);
  background: var(--b-camel);
  padding: 2px 8px;
  letter-spacing: 0.08em;
}

.sjy-theme-b .b-view-all-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 36px;
  font-family: var(--b-cormorant);
  font-size: 1rem;
  font-style: italic;
  color: var(--b-crimson);
  letter-spacing: 0.08em;
  transition: gap 0.2s;
}

.sjy-theme-b .b-view-all-link:hover {
  gap: 14px;
}

.sjy-theme-b .b-view-all-link::after {
  content: '→';
  font-style: normal;
}

/* =============================================
   碎念 — 手记批注
============================================= */
.sjy-theme-b .b-marginalia {
  padding: 80px 0;
  border-bottom: 1px solid var(--b-divider);
  background: var(--b-paper-2);
}

.sjy-theme-b .b-marginalia-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sjy-theme-b .b-note-card {
  background: var(--b-paper);
  border: 1px solid var(--b-divider);
  padding: 28px 28px 28px 36px;
  position: relative;
}

.sjy-theme-b .b-note-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--b-crimson);
}

.sjy-theme-b .b-note-deco-quote {
  font-family: var(--b-cormorant);
  font-size: 4rem;
  font-weight: 600;
  color: var(--b-camel);
  line-height: 1;
  margin-bottom: -12px;
  display: block;
}

.sjy-theme-b .b-note-body {
  font-family: var(--b-serif);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--b-ink);
  margin-bottom: 20px;
}

.sjy-theme-b .b-note-body a {
  color: inherit;
  text-decoration: none;
}

.sjy-theme-b .b-note-body a:hover {
  color: var(--b-crimson);
}

.sjy-theme-b .b-note-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--b-divider);
  padding-top: 14px;
}

.sjy-theme-b .b-note-time {
  font-family: var(--b-sans);
  font-size: 0.72rem;
  color: var(--b-ink-3);
  letter-spacing: 0.06em;
}

.sjy-theme-b .b-note-location {
  font-family: var(--b-sans);
  font-size: 0.72rem;
  color: var(--b-ink-3);
}

.sjy-theme-b .b-note-location::before {
  content: '@';
  margin-right: 2px;
  opacity: 0.6;
}

.sjy-theme-b .b-note-mood {
  font-family: var(--b-sans);
  font-size: 0.72rem;
  color: var(--b-ink-3);
}

.sjy-theme-b .b-marginalia-footer {
  margin-top: 40px;
  text-align: center;
}

/* =============================================
   编年 — 人生时间轴
============================================= */
.sjy-theme-b .b-timeline {
  padding: 80px 0;
  border-bottom: 1px solid var(--b-divider);
}

.sjy-theme-b .b-timeline-entries {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sjy-theme-b .b-timeline-entry {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 48px;
  padding: 36px 0;
  border-bottom: 1px solid var(--b-divider);
  align-items: start;
}

.sjy-theme-b .b-timeline-entry:first-child {
  border-top: 1px solid var(--b-divider);
}

.sjy-theme-b .b-timeline-year-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  position: relative;
}

.sjy-theme-b .b-timeline-year {
  font-family: var(--b-cormorant);
  font-size: 3.2rem;
  font-weight: 600;
  color: var(--b-ink-2);
  line-height: 1;
  font-variant-numeric: lining-nums;
  font-feature-settings: "lnum" 1;
}

.sjy-theme-b .b-timeline-version {
  font-family: var(--b-cormorant);
  font-size: 0.75rem;
  font-style: italic;
  letter-spacing: 0.15em;
  color: var(--b-ink-3);
}

.sjy-theme-b .b-timeline-right {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sjy-theme-b .b-timeline-title {
  font-family: var(--b-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--b-ink);
  line-height: 1.4;
}

.sjy-theme-b .b-timeline-desc {
  font-family: var(--b-serif);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--b-ink-2);
}

.sjy-theme-b .b-sys-code {
  font-family: var(--b-cormorant);
  font-style: italic;
  color: var(--b-ink-3);
}

.sjy-theme-b .b-timeline-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-family: var(--b-sans);
  font-size: 0.78rem;
  color: var(--b-ink-3);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.sjy-theme-b .b-timeline-link:hover {
  color: var(--b-crimson);
}

/* CRITICAL ERROR 节点 */
.sjy-theme-b .b-critical .b-timeline-year {
  color: var(--b-crimson);
}

.sjy-theme-b .b-critical .b-timeline-year-col::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--b-crimson);
}

.sjy-theme-b .b-critical .b-timeline-title {
  color: var(--b-crimson);
}

.sjy-theme-b .b-critical .b-timeline-version {
  color: var(--b-crimson);
  opacity: 0.7;
}

.sjy-theme-b .b-now .b-timeline-year {
  color: var(--b-crimson);
  font-style: italic;
}

/* =============================================
   关于 — 作者简介页
============================================= */
.sjy-theme-b .b-about {
  padding: 80px 0;
  border-bottom: 1px solid var(--b-divider);
  background: var(--b-paper-2);
}

.sjy-theme-b .b-about-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 72px;
  align-items: start;
}

.sjy-theme-b .b-about-avatar-wrap {
  position: relative;
  overflow: hidden;
}

.sjy-theme-b .b-about-avatar {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--b-divider);
  filter: sepia(10%) brightness(0.96) contrast(1.02);
  transition: transform 0.4s ease;
  display: block;
}

.sjy-theme-b .b-about-avatar-wrap:hover .b-about-avatar {
  transform: scale(1.025);
}

.sjy-theme-b .b-about-avatar-caption {
  margin-top: 12px;
  text-align: center;
  font-family: var(--b-cormorant);
  font-size: 0.72rem;
  font-style: italic;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b-ink-3);
}

.sjy-theme-b .b-about-name {
  font-family: var(--b-serif);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--b-ink);
  line-height: 1;
  margin-bottom: 6px;
}

.sjy-theme-b .b-about-title {
  font-family: var(--b-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b-ink-3);
  margin-bottom: 24px;
}

.sjy-theme-b .b-about-quote {
  font-family: var(--b-cormorant);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--b-ink-2);
  border-left: 2px solid var(--b-crimson);
  padding-left: 20px;
  margin-bottom: 24px;
  line-height: 1.65;
}

.sjy-theme-b .b-about-bio {
  font-family: var(--b-serif);
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--b-ink-2);
  margin-bottom: 36px;
}

/* 技能 — 编辑式排版 */
.sjy-theme-b .b-skills-heading {
  font-family: var(--b-serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--b-ink-3);
  margin-bottom: 20px;
}

.sjy-theme-b .b-skill-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--b-divider);
}

.sjy-theme-b .b-skill-row:first-of-type {
  border-top: 1px solid var(--b-divider);
}

.sjy-theme-b .b-skill-name {
  font-family: var(--b-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--b-ink);
  min-width: 180px;
}

.sjy-theme-b .b-skill-bar-wrap {
  flex: 1;
  height: 3px;
  background: var(--b-divider);
  position: relative;
  overflow: hidden;
}

.sjy-theme-b .b-skill-bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: var(--b-ink);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.sjy-theme-b .b-skill-bar-fill.b-crimson {
  background: var(--b-crimson);
}

.sjy-theme-b .b-skill-value {
  font-family: var(--b-cormorant);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--b-ink-3);
  min-width: 30px;
  text-align: right;
}

.sjy-theme-b .b-about-connect {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  font-family: var(--b-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--b-crimson);
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--b-crimson);
  padding-bottom: 2px;
  transition: gap 0.2s, opacity 0.2s;
}

.sjy-theme-b .b-about-connect:hover {
  gap: 14px;
  opacity: 0.8;
}

.sjy-theme-b .b-about-connect::after {
  content: '→';
  font-style: normal;
}

/* =============================================
   FOOTER
============================================= */
.sjy-theme-b .b-footer {
  padding: 48px 0;
  border-top: 1px solid var(--b-divider);
}

.sjy-theme-b .b-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.sjy-theme-b .b-footer-motto {
  font-family: var(--b-cormorant);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--b-ink-3);
  letter-spacing: 0.05em;
}

.sjy-theme-b .b-footer-rule {
  width: 40px;
  height: 1px;
  background: var(--b-divider);
}

.sjy-theme-b .b-footer-copy {
  font-family: var(--b-sans);
  font-size: 0.72rem;
  color: var(--b-ink-3);
  letter-spacing: 0.08em;
}

.sjy-theme-b .b-footer-copy a {
  color: var(--b-ink-3);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}

.sjy-theme-b .b-footer-copy a:hover {
  color: var(--b-crimson);
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1024px) {
  .sjy-theme-b .b-container { padding: 0 28px; }

  .sjy-theme-b .b-hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .sjy-theme-b .b-hero-stats {
    flex-direction: row;
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--b-divider);
    padding-top: 32px;
  }
  .sjy-theme-b .b-stat-item {
    flex: 1;
    border-bottom: none;
    border-right: 1px solid var(--b-divider);
    padding: 0 24px;
  }
  .sjy-theme-b .b-stat-item:last-child { border-right: none; }

  .sjy-theme-b .b-feature-card { grid-template-columns: 1fr; gap: 24px; }
  .sjy-theme-b .b-feature-issue { flex-direction: row; justify-content: flex-start; align-items: center; }
  .sjy-theme-b .b-issue-number { font-size: 3.5rem; }

  .sjy-theme-b .b-marginalia-grid { grid-template-columns: 1fr 1fr; }

  .sjy-theme-b .b-about-inner { grid-template-columns: 200px 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .sjy-theme-b .b-container { padding: 0 20px; }

  .sjy-theme-b .b-nav { gap: 20px; }
  .sjy-theme-b .b-nav a { font-size: 0.78rem; }

  .sjy-theme-b .b-hero { padding: 52px 0 48px; }
  .sjy-theme-b .b-hero-title { font-size: 2.6rem; }
  .sjy-theme-b .b-hero-stats { flex-direction: column; }
  .sjy-theme-b .b-stat-item {
    border-right: none;
    border-bottom: 1px solid var(--b-divider);
    padding: 16px 0;
  }
  .sjy-theme-b .b-stat-item:last-child { border-bottom: none; }

  .sjy-theme-b .b-recent-notes { padding: 60px 0; }
  .sjy-theme-b .b-feature-card { padding: 24px; }

  .sjy-theme-b .b-article-row { grid-template-columns: 80px 1fr; gap: 16px; }
  .sjy-theme-b .b-article-issue { font-size: 1rem; }

  .sjy-theme-b .b-marginalia { padding: 60px 0; }
  .sjy-theme-b .b-marginalia-grid { grid-template-columns: 1fr; }

  .sjy-theme-b .b-timeline { padding: 60px 0; }
  .sjy-theme-b .b-timeline-entry { grid-template-columns: 100px 1fr; gap: 24px; }
  .sjy-theme-b .b-timeline-year { font-size: 2.2rem; }

  .sjy-theme-b .b-about { padding: 60px 0; }
  .sjy-theme-b .b-about-inner { grid-template-columns: 1fr; gap: 32px; }
  .sjy-theme-b .b-about-avatar-wrap { max-width: 200px; }

  .sjy-theme-b .b-skill-name { min-width: 140px; }
}

@media (max-width: 480px) {
  .sjy-theme-b .b-section-label { flex-direction: column; gap: 4px; margin-bottom: 32px; }
  .sjy-theme-b .b-nav { display: none; }

  .sjy-theme-b .b-hero-title { font-size: 2rem; }
  .sjy-theme-b .b-feature-card { padding: 20px; }
  .sjy-theme-b .b-feature-title { font-size: 1.2rem; }

  .sjy-theme-b .b-article-row { grid-template-columns: 1fr; }
  .sjy-theme-b .b-article-date-col { flex-direction: row; align-items: center; gap: 12px; }
  .sjy-theme-b .b-article-issue { display: none; }

  .sjy-theme-b .b-timeline-entry { grid-template-columns: 1fr; gap: 8px; }
  .sjy-theme-b .b-critical .b-timeline-year-col::before { display: none; }
}

/* =============================================
   prefers-reduced-motion
============================================= */
@media (prefers-reduced-motion: reduce) {
  .sjy-theme-b .b-fade-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .sjy-theme-b .b-skill-bar-fill {
    transition: none;
  }
  .sjy-theme-b .b-nav a,
  .sjy-theme-b .b-view-all-link,
  .sjy-theme-b .b-about-connect,
  .sjy-theme-b .b-footer-copy a,
  .sjy-theme-b .b-timeline-link,
  .sjy-theme-b .b-feature-title,
  .sjy-theme-b .b-article-title,
  .sjy-theme-b .b-about-avatar {
    transition: none;
  }
}