@charset "UTF-8";
/* ==========================================================================
   素笺主题（PC）· 基础样式
   设计基调：浅色纸感 + 细线分隔 + 单一品牌蓝强调色，克制圆角与阴影
   --------------------------------------------------------------------------
   1. 设计变量
   2. 基础重置与排版
   3. 通用组件（按钮 / 标签 / 图标 / 分区标题）
   4. 顶部公告条与页头
   5. 抽屉导航
   6. 内容容器与页面骨架
   7. 列表页组件（面包屑 / 侧栏 / 排序 / 分页）
   8. 商品卡
   9. 文章列表与详情
   10. 空状态与错误页
   11. 页脚与悬浮工具
   12. 响应式
   ========================================================================== */

/* ------------------------------ 1. 设计变量 ------------------------------ */
:root {
  --bg: #f5f6f8;
  --paper: #ffffff;
  --paper-2: #fafbfc;
  --ink: #14181f;
  --ink-2: #3b434f;
  --ink-3: #78818f;
  --line: #e6e9ef;
  --line-2: #d7dce5;

  --brand: #1d5eb8;
  --brand-d: #174c95;
  --brand-t: #edf3fc;
  --accent: #e2669a;
  --accent-t: #fdf1f6;

  --strip: #14181f;
  --strip-ink: #f6f7f9;
  --strip-mute: #9aa3b0;

  --r-lg: 12px;
  --r: 10px;
  --r-sm: 8px;
  --r-xs: 6px;

  --sh-1: 0 1px 2px rgba(20, 24, 31, .05);
  --sh-2: 0 14px 34px -20px rgba(20, 24, 31, .30);
  --sh-3: 0 24px 60px -28px rgba(20, 24, 31, .34);

  --maxw: 1200px;
  --gap: 24px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --------------------------- 2. 基础重置与排版 --------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: tabular-nums;
}

h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.35; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease); }
img { max-width: 100%; display: block; border: 0; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
s { text-decoration-thickness: 1px; }
::selection { background: var(--brand); color: #fff; }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

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

.sj-ico { width: 1.15em; height: 1.15em; flex: none; display: inline-block; vertical-align: -.18em; }

.sj-main { display: block; }

/* --------------------------- 3. 通用组件 --------------------------- */
.sj-container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.sj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .18s var(--ease), border-color .18s var(--ease),
              color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}
.sj-btn--grad { background: var(--brand); color: #fff; box-shadow: var(--sh-1); }
.sj-btn--grad:hover { background: var(--brand-d); box-shadow: 0 10px 22px -14px rgba(29, 94, 184, .9); transform: translateY(-1px); }
.sj-btn--ghost { background: var(--paper); border-color: var(--line-2); color: var(--ink); }
.sj-btn--ghost:hover { border-color: var(--brand); color: var(--brand); background: var(--paper); }
.sj-btn--light { background: #fff; color: var(--ink); }
.sj-btn--light:hover { background: #eef1f5; }
.sj-btn--outline { background: transparent; border-color: rgba(255, 255, 255, .38); color: #fff; }
.sj-btn--outline:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.sj-btn--sm { height: 34px; padding: 0 13px; font-size: 13px; border-radius: var(--r-xs); }
.sj-btn--lg { height: 48px; padding: 0 24px; font-size: 15px; }
.sj-btn--block { width: 100%; }
.sj-btn:active { transform: translateY(0); }

.sj-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--paper);
  font-size: 13px;
  color: var(--ink-2);
  white-space: nowrap;
}
.sj-chip i { font-style: normal; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.sj-chip:hover { border-color: var(--brand); color: var(--brand); }
.sj-chip:hover i { color: var(--brand); }
.sj-chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.sj-chip.is-active i { color: rgba(255, 255, 255, .72); }
.sj-chip--ghost { background: transparent; }
.sj-chip--muted { color: var(--ink-3); border-style: dashed; }

.sj-tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: var(--paper-2);
  font-size: 11px;
  line-height: 1;
  color: var(--ink-3);
  letter-spacing: .02em;
}
.sj-tag--coral { background: var(--brand-t); border-color: #d9e6f8; color: var(--brand); }
.sj-tag--teal { background: #eef7f4; border-color: #d3e9e2; color: #17836b; }
.sj-tag--muted { background: transparent; }

.sj-pulse {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  position: relative; flex: none;
}
.sj-pulse::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 1px solid currentColor; opacity: .5; animation: sj-pulse 2.4s var(--ease) infinite;
}
@keyframes sj-pulse { 0% { transform: scale(.6); opacity: .6; } 70% { transform: scale(1.5); opacity: 0; } 100% { opacity: 0; } }

/* 分区标题：短横线 + 小字宽距，替代渐变装饰 */
.sj-sec { padding: 72px 0; }
.sj-sec--alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sj-sec__head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  margin-bottom: 32px;
}
.sj-sec__head--tight { margin-bottom: 20px; }
.sj-sec__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 12px;
}
.sj-sec__eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--brand); opacity: .5; }
.sj-sec__title { font-size: 30px; letter-spacing: -.02em; }
.sj-sec__desc { margin-top: 10px; font-size: 15px; color: var(--ink-3); max-width: 62ch; }

/* 渐进增强：仅当 JS 就绪（html.sj-js）后才隐藏待入场元素，无 JS 时内容保持可见 */
html.sj-js [data-reveal] { opacity: 0; transform: translateY(14px); }
html.sj-js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .6s var(--ease); }

/* --------------------------- 4. 顶部公告条与页头 --------------------------- */
.sj-notice { background: var(--strip); color: var(--strip-ink); font-size: 13px; }
.sj-notice__inner { display: flex; align-items: center; gap: 14px; height: 40px; }
.sj-notice__badge {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  color: #fff; font-weight: 600; letter-spacing: .04em;
}
.sj-notice__badge .sj-ico { color: var(--accent); }
.sj-notice__viewport { flex: 1; overflow: hidden; position: relative; height: 40px; }
.sj-notice__track { display: flex; align-items: center; gap: 34px; height: 40px; width: max-content; will-change: transform; }
.sj-notice__track.is-marquee { animation: sj-marquee var(--marquee-duration, 34s) linear infinite; }
.sj-notice__track.is-marquee:hover { animation-play-state: paused; }
@keyframes sj-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.sj-notice__item { color: var(--strip-mute); white-space: nowrap; }
.sj-notice__item:hover { color: #fff; }
.sj-notice__sep { width: 3px; height: 3px; border-radius: 50%; background: rgba(255, 255, 255, .28); flex: none; }
.sj-notice__more { display: inline-flex; align-items: center; gap: 4px; flex: none; color: var(--strip-mute); font-size: 12px; }
.sj-notice__more:hover { color: #fff; }

.sj-header { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 40; transition: box-shadow .22s var(--ease); }
.sj-header.is-stuck { box-shadow: 0 10px 30px -22px rgba(20, 24, 31, .5); }
.sj-header__inner { display: flex; align-items: center; gap: 22px; height: 72px; }

.sj-logo { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.sj-logo__img { height: 38px; width: auto; max-width: 190px; object-fit: contain; }
.sj-logo__mark {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--ink); color: #fff; font-size: 19px;
}
.sj-logo__text { display: flex; flex-direction: column; line-height: 1.25; }
.sj-logo__text b { font-size: 17px; color: var(--ink); letter-spacing: -.01em; }
.sj-logo__text i { font-style: normal; font-size: 11px; color: var(--ink-3); letter-spacing: .06em; }

.sj-nav { display: flex; align-items: center; gap: 4px; margin-left: 6px; }
.sj-nav__link {
  position: relative; padding: 8px 12px; border-radius: var(--r-xs);
  font-size: 15px; color: var(--ink-2); font-weight: 500;
}
.sj-nav__link:hover { color: var(--brand); background: var(--brand-t); }
.sj-nav__link.is-active { color: var(--ink); font-weight: 600; }
.sj-nav__link.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 2px; background: var(--brand);
}

.sj-search {
  display: flex; align-items: center; gap: 8px; flex: 1; min-width: 180px; max-width: 320px;
  height: 40px; padding: 0 4px 0 14px;
  border: 1px solid var(--line-2); border-radius: var(--r-sm); background: var(--paper-2);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}
.sj-search:focus-within { border-color: var(--brand); background: var(--paper); }
.sj-search__ico { color: var(--ink-3); }
.sj-search__input { flex: 1; min-width: 0; border: 0; background: none; outline: none; font-size: 14px; }
.sj-search__input::placeholder { color: #a8b0bc; }
.sj-search__input::-webkit-search-cancel-button { display: none; }
.sj-search__btn {
  flex: none; height: 32px; padding: 0 14px; border: 0; border-radius: var(--r-xs);
  background: var(--brand); color: #fff; font-size: 13px; font-weight: 600;
}
.sj-search__btn:hover { background: var(--brand-d); }

.sj-header__actions { display: flex; align-items: center; gap: 10px; flex: none; }
.sj-burger {
  display: none; width: 40px; height: 40px; align-items: center; justify-content: center;
  border: 1px solid var(--line-2); border-radius: var(--r-sm); background: var(--paper); font-size: 20px;
}
.sj-burger:hover { border-color: var(--brand); color: var(--brand); }

/* 分类条：白底细线，滚动容器 */
.sj-catbar { border-top: 1px solid var(--line); background: var(--paper); }
.sj-catbar__inner { display: flex; align-items: center; gap: 18px; height: 52px; }
.sj-catbar__label { display: inline-flex; align-items: center; gap: 7px; flex: none; font-size: 13px; color: var(--ink-3); }
.sj-catbar__label .sj-ico { color: var(--brand); }
.sj-catbar__list { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.sj-catbar__list::-webkit-scrollbar { display: none; }
.sj-catbar__link {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px;
  border-radius: var(--r-xs); font-size: 14px; color: var(--ink-2); white-space: nowrap;
}
.sj-catbar__link i { font-style: normal; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.sj-catbar__link:hover { background: var(--brand-t); color: var(--brand); }
.sj-catbar__link.is-active { background: var(--ink); color: #fff; }
.sj-catbar__link.is-active i { color: rgba(255, 255, 255, .7); }
.sj-catbar__right { margin-left: auto; flex: none; }
.sj-catbar__tip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-3); }
.sj-catbar__tip .sj-ico { color: var(--accent); }

/* --------------------------- 5. 抽屉导航 --------------------------- */
.sj-drawer { position: fixed; inset: 0; z-index: 90; }
.sj-drawer[hidden] { display: none; }
.sj-drawer__mask { position: absolute; inset: 0; background: rgba(20, 24, 31, .42); opacity: 0; transition: opacity .28s var(--ease); }
.sj-drawer__panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 340px; max-width: 88vw;
  background: var(--paper); border-left: 1px solid var(--line);
  transform: translateX(100%); transition: transform .32s var(--ease);
  display: flex; flex-direction: column; gap: 20px; padding: 20px; overflow-y: auto;
}
.sj-drawer.is-open .sj-drawer__mask { opacity: 1; }
.sj-drawer.is-open .sj-drawer__panel { transform: none; }
.sj-drawer__head { display: flex; align-items: center; gap: 10px; }
.sj-drawer__head b { font-size: 16px; color: var(--ink); }
.sj-drawer__close {
  margin-left: auto; width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-2); border-radius: var(--r-sm); background: var(--paper); font-size: 18px;
}
.sj-drawer__close:hover { border-color: var(--ink); }
.sj-drawer__search { display: flex; align-items: center; gap: 8px; height: 42px; padding: 0 4px 0 14px; border: 1px solid var(--line-2); border-radius: var(--r-sm); background: var(--paper-2); }
.sj-drawer__search .sj-ico { color: var(--ink-3); }
.sj-drawer__search input { flex: 1; min-width: 0; border: 0; background: none; outline: none; font-size: 14px; }
.sj-drawer__search button { height: 32px; padding: 0 14px; border: 0; border-radius: var(--r-xs); background: var(--brand); color: #fff; font-size: 13px; font-weight: 600; }
.sj-drawer__nav { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.sj-drawer__link {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 13px 2px; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--ink);
}
.sj-drawer__link .sj-ico { color: var(--ink-3); }
.sj-drawer__link:hover { color: var(--brand); }
.sj-drawer__link.is-active { color: var(--brand); font-weight: 600; }
.sj-drawer__block h4 { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.sj-drawer__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.sj-drawer__foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }

/* --------------------------- 6. 内容容器与页面骨架 --------------------------- */
.sj-layout { display: grid; grid-template-columns: 262px minmax(0, 1fr); gap: 32px; align-items: start; padding: 40px 0 72px; }
.sj-content { min-width: 0; }
.sj-side { display: flex; flex-direction: column; gap: 20px; }
.sj-side__card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.sj-side__card--cta { background: var(--paper-2); }
.sj-side__title { display: flex; align-items: center; gap: 8px; font-size: 14px; letter-spacing: .02em; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.sj-side__title .sj-ico { color: var(--brand); }
.sj-side__card p { font-size: 13px; color: var(--ink-3); margin-bottom: 14px; }
.sj-side__more { display: inline-flex; align-items: center; gap: 5px; margin-top: 14px; font-size: 13px; color: var(--brand); }
.sj-side__cats { display: flex; flex-direction: column; }
.sj-side__cats li + li { border-top: 1px solid var(--line); }
.sj-side__cats a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 0; font-size: 14px; color: var(--ink-2); }
.sj-side__cats a span { display: inline-flex; align-items: center; gap: 8px; }
.sj-side__cats a .sj-ico { color: var(--ink-3); }
.sj-side__cats a em { font-style: normal; font-size: 12px; color: var(--ink-3); }
.sj-side__cats a:hover { color: var(--brand); }
.sj-side__cats a.is-active { color: var(--brand); font-weight: 600; }
.sj-side__cats a.is-active .sj-ico, .sj-side__cats a.is-active em { color: var(--brand); }

/* 列表页头 */
.sj-pagehead { background: var(--paper); border-bottom: 1px solid var(--line); padding: 26px 0 30px; }
.sj-pagehead__copy { min-width: 0; }
.sj-pagehead__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-top: 16px; }
.sj-pagehead__title { font-size: 28px; letter-spacing: -.02em; }
.sj-pagehead__desc { margin-top: 8px; font-size: 14px; color: var(--ink-3); max-width: 70ch; }
.sj-pagehead__stat {
  display: flex; flex-direction: column; align-items: flex-end; flex: none;
  padding-left: 28px; border-left: 1px solid var(--line);
}
.sj-pagehead__stat b { font-size: 34px; line-height: 1.1; color: var(--ink); letter-spacing: -.02em; }
.sj-pagehead__stat span { font-size: 12px; color: var(--ink-3); letter-spacing: .06em; }
.sj-pagehead__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }

.sj-crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); }
.sj-crumb a:hover { color: var(--brand); }
.sj-crumb i { font-style: normal; color: var(--line-2); }
.sj-crumb span { color: var(--ink-2); }

/* --------------------------- 7. 列表页组件 --------------------------- */
.sj-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 14px 18px; margin-bottom: 20px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
}
.sj-sorts { display: flex; align-items: center; gap: 2px; }
.sj-sorts__item { padding: 7px 13px; border-radius: var(--r-xs); font-size: 14px; color: var(--ink-2); }
.sj-sorts__item:hover { background: var(--brand-t); color: var(--brand); }
.sj-sorts__item.is-active { background: var(--ink); color: #fff; font-weight: 600; }
.sj-toolbar__count { font-size: 13px; color: var(--ink-3); }
.sj-toolbar__count b { color: var(--ink); }
.sj-toolbar__count span { margin-left: 10px; padding-left: 10px; border-left: 1px solid var(--line); }

.sj-pager { display: flex; align-items: center; gap: 6px; margin-top: 32px; flex-wrap: wrap; }
.sj-pager__btn {
  display: inline-flex; align-items: center; gap: 4px; height: 36px; padding: 0 14px;
  border: 1px solid var(--line-2); border-radius: var(--r-sm); background: var(--paper);
  font-size: 13px; color: var(--ink-2);
}
.sj-pager__btn .sj-ico { color: var(--ink-3); }
.sj-pager__btn--prev .sj-ico { transform: rotate(180deg); }
.sj-pager__btn--next { margin-left: auto; } /* 「下一页」贴右，与页码区拉开距离 */
.sj-pager__btn:hover { border-color: var(--brand); color: var(--brand); }
.sj-pager__btn:hover .sj-ico { color: var(--brand); }
.sj-pager__btn.is-disabled { color: #b3bac5; background: var(--paper-2); }
.sj-pager__btn.is-disabled .sj-ico { color: #c9cfd8; }
.sj-pager__num {
  display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px;
  padding: 0 10px; border: 1px solid var(--line-2); border-radius: var(--r-sm); background: var(--paper);
  font-size: 13px; color: var(--ink-2);
}
.sj-pager__num:hover { border-color: var(--brand); color: var(--brand); }
.sj-pager__num.is-active { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 600; }
.sj-pager__gap { color: var(--ink-3); padding: 0 4px; }

.sj-note-list { display: flex; flex-direction: column; }
.sj-note-list li { display: flex; align-items: baseline; gap: 10px; padding: 9px 0; font-size: 13px; color: var(--ink-2); }
.sj-note-list li + li { border-top: 1px solid var(--line); }
.sj-note-list li a:hover { color: var(--brand); }
.sj-note-list li em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--ink-3); flex: none; }

/* --------------------------- 8. 商品卡 --------------------------- */
.sj-goods { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); }

.sj-card {
  display: flex; flex-direction: column;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; transition: border-color .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
}
.sj-card:hover { border-color: var(--line-2); box-shadow: var(--sh-2); transform: translateY(-2px); }
.sj-card__cover { position: relative; display: block; aspect-ratio: 4 / 3; background: var(--paper-2); overflow: hidden; }
.sj-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.sj-card:hover .sj-card__cover img { transform: scale(1.03); }
.sj-card__initial {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 40px; font-weight: 700; color: #c4ccd8; letter-spacing: .04em;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 28px 28px;
}
.sj-card__off {
  position: absolute; top: 10px; left: 10px;
  display: inline-flex; align-items: center; height: 22px; padding: 0 8px;
  border-radius: var(--r-xs); background: var(--accent-t); color: var(--accent);
  font-size: 11px; font-weight: 700; letter-spacing: .02em; backdrop-filter: blur(2px);
}
.sj-card__body { padding: 16px 16px 12px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.sj-card__name { font-size: 16px; font-weight: 600; line-height: 1.45; }
.sj-card__name a { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sj-card__name a:hover { color: var(--brand); }
.sj-card__desc {
  font-size: 13px; color: var(--ink-3); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sj-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
/* 票根虚线分隔：替代实线边框，弱化「卡片盒子感」 */
.sj-card__perf {
  height: 1px; margin: 0 16px;
  background-image: linear-gradient(90deg, var(--line-2) 0 4px, transparent 4px 9px);
  background-size: 9px 1px; background-repeat: repeat-x;
}
.sj-card__foot {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px 14px;
}
.sj-card__price { display: flex; align-items: baseline; gap: 6px; min-width: 0; }
.sj-card__price b { font-size: 21px; font-weight: 700; color: var(--ink); letter-spacing: -.02em; line-height: 1; }
.sj-card__price s { font-size: 12px; color: var(--ink-3); }
.sj-card__sold { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.sj-card__sold .sj-ico { color: var(--line-2); }
.sj-card__foot .sj-btn { margin-left: auto; }

/* --------------------------- 9. 文章列表与详情 --------------------------- */
.sj-arts { display: grid; gap: 14px; }
.sj-arts--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sj-art {
  display: flex; align-items: flex-start; gap: 18px; padding: 20px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.sj-art:hover { border-color: var(--line-2); box-shadow: var(--sh-2); transform: translateY(-2px); }
.sj-art__date {
  flex: none; width: 62px; padding-right: 16px; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: flex-start;
}
.sj-art__date b { font-size: 24px; line-height: 1.1; color: var(--ink); letter-spacing: -.02em; }
.sj-art__date span { font-size: 11px; color: var(--ink-3); letter-spacing: .04em; }
.sj-art__body { min-width: 0; flex: 1; }
.sj-art__body h2 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.sj-art:hover .sj-art__body h2 { color: var(--brand); }
.sj-art__body p { font-size: 13px; color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sj-art__meta { display: flex; align-items: center; gap: 16px; margin-top: 10px; font-size: 12px; color: var(--ink-3); }
.sj-art__meta span { display: inline-flex; align-items: center; gap: 5px; }
.sj-art__go { flex: none; align-self: center; color: var(--line-2); font-size: 18px; }
.sj-art:hover .sj-art__go { color: var(--brand); transform: translateX(2px); }
.sj-art--card { flex-direction: column; gap: 12px; }
.sj-art--card .sj-art__date { width: auto; padding: 0 0 12px; border-right: 0; border-bottom: 1px solid var(--line); flex-direction: row; align-items: baseline; gap: 8px; }
.sj-art--card .sj-art__go { align-self: flex-start; }

.sj-article__hero { background: var(--paper); border-bottom: 1px solid var(--line); padding: 30px 0 34px; }
.sj-article__title { font-size: 32px; line-height: 1.35; letter-spacing: -.02em; margin: 16px 0 14px; max-width: 40ch; }
.sj-article__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--ink-3); }
.sj-article__meta span { display: inline-flex; align-items: center; gap: 6px; }
.sj-article__card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 32px; }
.sj-article__cover { margin: -8px 0 24px; border-radius: var(--r-sm); overflow: hidden; border: 1px solid var(--line); }
.sj-article__content { font-size: 15.5px; line-height: 1.85; color: var(--ink-2); }
.sj-article__content > * + * { margin-top: 18px; }
.sj-article__content h2 { font-size: 21px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--line); }
.sj-article__content h3 { font-size: 17px; margin-top: 26px; }
.sj-article__content a { color: var(--brand); border-bottom: 1px solid rgba(29, 94, 184, .3); }
.sj-article__content a:hover { border-bottom-color: var(--brand); }
.sj-article__content ul, .sj-article__content ol { padding-left: 1.4em; }
.sj-article__content ul { list-style: disc; }
.sj-article__content ol { list-style: decimal; }
.sj-article__content li + li { margin-top: 8px; }
.sj-article__content img { border-radius: var(--r-sm); border: 1px solid var(--line); margin: 0 auto; }
.sj-article__content blockquote {
  margin: 0; padding: 14px 18px; background: var(--paper-2);
  border-left: 3px solid var(--brand); border-radius: 0 var(--r-xs) var(--r-xs) 0; color: var(--ink-2);
}
.sj-article__content code { font-family: var(--mono); font-size: 13px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }
.sj-article__content pre { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 16px; overflow-x: auto; }
.sj-article__content pre code { border: 0; background: none; padding: 0; }
.sj-article__content table { width: 100%; border-collapse: collapse; font-size: 14px; }
.sj-article__content th, .sj-article__content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.sj-article__content th { background: var(--paper-2); color: var(--ink); }
/* 正文与问答里的宽表格：横向滚动包裹（由 JS 包一层 .sj-table-wrap） */
.sj-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-sm); }
.sj-table-wrap table { border: 0; min-width: 480px; }
.sj-table-wrap th:last-child, .sj-table-wrap td:last-child { border-right: 0; }
.sj-table-wrap tr:last-child td { border-bottom: 0; }
/* 锚点跳转时给固定页头留出空间 */
.sj-article__content h2, .sj-article__content h3,
.sj-faq__inner h2, .sj-faq__inner h3 { scroll-margin-top: 96px; }

.sj-article__nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 20px; }
.sj-article__navitem {
  display: flex; flex-direction: column; gap: 6px; padding: 16px 18px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
}
.sj-article__navitem > span { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--ink-3); }
.sj-article__navitem > span .sj-ico { transform: rotate(180deg); }
.sj-article__navitem--next { text-align: right; }
.sj-article__navitem--next > span { justify-content: flex-end; }
.sj-article__navitem--next > span .sj-ico { transform: none; }
.sj-article__navitem b { font-size: 14px; font-weight: 600; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.sj-article__navitem:hover { border-color: var(--brand); }
.sj-article__navitem:hover b { color: var(--brand); }
.sj-article__navitem.is-disabled { background: var(--paper-2); color: var(--ink-3); }
.sj-article__related { margin-top: 32px; }
.sj-article__related .sj-sec__eyebrow { margin-bottom: 16px; }

.sj-toc { display: flex; flex-direction: column; gap: 2px; font-size: 13px; }
.sj-toc__item { min-width: 0; }
.sj-toc__item a { display: block; padding: 7px 0 7px 12px; border-left: 2px solid var(--line); color: var(--ink-3); }
/* 二级标题略强、三级标题缩进降一档，阅读层级更清晰 */
.sj-toc__item--l2 a { padding-left: 14px; color: var(--ink-2); font-weight: 500; }
.sj-toc__item--l3 a { padding-left: 26px; font-size: 12.5px; }
.sj-toc__item a:hover, .sj-toc__item a.is-active { color: var(--brand); border-left-color: var(--brand); }

.sj-news { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.sj-news__item {
  display: flex; align-items: center; gap: 16px; padding: 18px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
}
.sj-news__item:hover { border-color: var(--brand); }
.sj-news__date { flex: none; text-align: center; padding-right: 16px; border-right: 1px solid var(--line); }
.sj-news__date b { display: block; font-size: 22px; color: var(--ink); line-height: 1.1; }
.sj-news__date span { font-size: 11px; color: var(--ink-3); }
.sj-news__body { min-width: 0; }
.sj-news__body h3 { font-size: 15px; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.sj-news__body p { font-size: 13px; color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sj-news__go { margin-left: auto; color: var(--line-2); }
.sj-news__item:hover .sj-news__go { color: var(--brand); }

/* --------------------------- 10. 空状态与错误页 --------------------------- */
.sj-empty {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 62px 24px; background: var(--paper); border: 1px dashed var(--line-2); border-radius: var(--r);
}
.sj-empty--flat { border-style: solid; padding: 40px 24px; }
.sj-empty__ico {
  width: 52px; height: 52px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--paper-2); border: 1px solid var(--line); color: var(--ink-3); font-size: 22px;
  margin-bottom: 16px;
}
.sj-empty h3 { font-size: 18px; margin-bottom: 8px; }
.sj-empty p { font-size: 14px; color: var(--ink-3); max-width: 46ch; }
.sj-empty__actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 20px; }

.sj-error { padding: 84px 0 96px; }
.sj-error__inner { display: flex; flex-direction: column; align-items: center; text-align: center; }
.sj-error__art { position: relative; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 22px; }
.sj-error__code {
  font-family: var(--mono); font-size: 72px; font-weight: 700; letter-spacing: .06em; color: var(--ink);
  line-height: 1;
}
.sj-error__title { font-size: 24px; margin-bottom: 10px; }
.sj-error__desc { font-size: 14px; color: var(--ink-3); }
.sj-error__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.sj-error__links { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-top: 28px; font-size: 13px; color: var(--ink-3); }

/* --------------------------- 11. 页脚与悬浮工具 --------------------------- */
.sj-footer { background: var(--paper); border-top: 1px solid var(--line); margin-top: 8px; }
.sj-footer__grid { display: grid; grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr)); gap: 40px; padding: 56px 24px 44px; }
.sj-footer__brand { max-width: 34ch; }
.sj-logo--footer { margin-bottom: 14px; }
.sj-footer__desc { font-size: 13px; color: var(--ink-3); line-height: 1.75; }
.sj-footer__badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.sj-footer__badges li {
  display: inline-flex; align-items: center; gap: 5px; height: 24px; padding: 0 9px;
  border: 1px solid var(--line); border-radius: var(--r-xs); font-size: 11.5px; color: var(--ink-3);
}
.sj-footer__badges .sj-ico { color: var(--brand); font-size: 13px; }
.sj-footer__contact { display: flex; flex-direction: column; gap: 7px; font-size: 13px; }
.sj-footer__contact a, .sj-footer__contact span { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-2); }
.sj-footer__contact .sj-ico { color: var(--ink-3); }
.sj-footer__contact a:hover { color: var(--brand); }
.sj-footer__col h4 { font-size: 13px; letter-spacing: .06em; margin-bottom: 14px; }
.sj-footer__col ul { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.sj-footer__col a { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-3); }
.sj-footer__col a:hover { color: var(--brand); }
.sj-footer__col em { font-style: normal; font-size: 11px; color: #a8b0bc; }
.sj-footer__col .is-muted { color: #a8b0bc; }
.sj-footer__bottom { border-top: 1px solid var(--line); }
.sj-footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 24px; font-size: 12.5px; color: var(--ink-3); }
.sj-footer__copy { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sj-footer__note { padding-left: 10px; border-left: 1px solid var(--line); }
.sj-footer__meta { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.sj-footer__meta a:hover { color: var(--brand); }

.sj-float { position: fixed; right: 22px; bottom: 26px; z-index: 60; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.sj-float__btn {
  width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-2); border-radius: var(--r); background: var(--paper); color: var(--ink-2);
  box-shadow: var(--sh-1); font-size: 18px; position: relative;
}
.sj-float__btn:hover { border-color: var(--brand); color: var(--brand); }
.sj-float__btn--coral { background: var(--brand); border-color: var(--brand); color: #fff; }
.sj-float__btn--coral:hover { background: var(--brand-d); border-color: var(--brand-d); color: #fff; }
.sj-float__badge { position: absolute; left: -46px; top: 50%; transform: translateY(-50%); font-size: 11px; color: var(--ink-3); opacity: 0; transition: opacity .2s var(--ease); }
.sj-float__kefu { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.sj-float__kefu:hover .sj-float__badge { opacity: 1; }
.sj-float__pop {
  width: 240px; padding: 18px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-3);
  opacity: 0; transform: translateY(6px) scale(.98); transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.sj-float__pop.is-open { opacity: 1; transform: none; }
.sj-float__pop h5 { font-size: 14px; margin-bottom: 12px; }
.sj-float__qr { width: 100%; border-radius: var(--r-sm); border: 1px solid var(--line); margin-bottom: 12px; }
.sj-float__row { display: flex; align-items: center; gap: 8px; padding: 8px 0; font-size: 13px; color: var(--ink-2); border-top: 1px solid var(--line); }
.sj-float__row:first-of-type { border-top: 0; }
.sj-float__row .sj-ico { color: var(--ink-3); }
.sj-float__row span { color: var(--ink-3); }
.sj-float__row b { margin-left: auto; font-weight: 600; color: var(--ink); }
.sj-float__row:hover b { color: var(--brand); }
.sj-float__tip { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--ink-3); line-height: 1.6; }
.sj-float__top { transition: opacity .2s var(--ease); }
.sj-float__top[hidden] { display: none; }

/* --------------------------- 12. 页面级节奏微调 --------------------------- */
/* 约定与参考主题一致：每个页面只调整自身的留白节奏，互不影响 */
.sj-page-goods .sj-toolbar { margin-bottom: 22px; }
.sj-page-article .sj-article__hero { padding-bottom: 22px; }
.sj-page-company .sj-arts--grid { padding-bottom: 66px; } /* 列表与页脚之间留出呼吸，贴齐其它页 72px 的下沿 */
.sj-page-404 .sj-error { padding-top: 100px; padding-bottom: 128px; }

/* --------------------------- 13. 响应式 --------------------------- */
@media (max-width: 1180px) {
  .sj-goods { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sj-nav { display: none; }
}

@media (max-width: 1024px) {
  .sj-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .sj-side { flex-direction: row; flex-wrap: wrap; }
  .sj-side__card { flex: 1 1 260px; }
  .sj-arts--grid { grid-template-columns: minmax(0, 1fr); }
  .sj-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
}

@media (max-width: 900px) {
  .sj-header__inner { gap: 14px; height: 64px; }
  .sj-search { display: none; }
  .sj-header__actions { display: none; }
  .sj-burger { display: inline-flex; }
  .sj-catbar__right { display: none; }
  .sj-sec { padding: 52px 0; }
  .sj-sec__title { font-size: 24px; }
  .sj-goods { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .sj-news { grid-template-columns: minmax(0, 1fr); }
  .sj-article__title { font-size: 26px; }
  .sj-article__card { padding: 22px; }
  .sj-footer__grid { grid-template-columns: minmax(0, 1fr); padding: 40px 24px 30px; }
  .sj-footer__bottom-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sj-pagehead__stat { display: none; }
}

@media (max-width: 560px) {
  .sj-container { padding: 0 16px; }
  .sj-card__foot { flex-wrap: wrap; }
  .sj-card__foot .sj-btn { margin-left: 0; width: 100%; }
  .sj-article__nav { grid-template-columns: minmax(0, 1fr); }
  .sj-toolbar { flex-direction: column; align-items: flex-start; gap: 12px; padding: 12px; }
  .sj-float { right: 14px; bottom: 18px; }
}

/* 尊重系统「减少动态效果」偏好：关闭滚动/入场/跑马灯动画 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.sj-js [data-reveal] { opacity: 1; transform: none; }
  .sj-notice__track.is-marquee { animation: none; }
  .sj-pulse::after { animation: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}