@charset "utf-8";
/* ============================================================================
   律格网 LAWGRID · 全站样式（零 CDN：系统字体栈 + 内联 SVG 图标 + 本地 SVG 图片）
   版式语言：坐标栅格 —— 田字线框 / 等宽坐标编号 / 直角语汇 / 唯一强调色（信号橙）
   结构约定：所有媒体查询集中在文件末尾（避免被后面同特异性的基础规则反压）。
   ============================================================================ */

/* ---------------------------------------------------------------- 1. 令牌 */
:root {
  --paper: #f4f5f8;
  --paper-2: #e7eaf1;
  --card: #ffffff;
  --ink: #12142b;
  --ink-2: #3d4160;
  --ink-3: #5f6480;
  --line: #d5d9e4;
  --line-2: #bcc2d2;
  --brand: #1c3fbf;
  --brand-d: #14308f;
  --brand-l: #dfe5fb;
  --accent: #e2601a;
  --accent-d: #a83e0c;
  --accent-l: #fdece1;
  --dark: #0e1128;
  --dark-2: #161a38;
  --on-dark: #eef0f8;
  --on-dark-2: #a6acc8;
  --on-dark-brand: #7f9dff;
  --deco: #7b8299;
  --err: #b0281c;
  --err-bg: #fdeceb;
  --ok: #1a6b3f;
  --ok-bg: #e8f6ee;
  --wrap: 1220px;
  --gut: 20px;
  --sp: clamp(46px, 5.6vw, 78px);
  --shadow: 0 1px 0 rgba(18, 20, 43, .05), 0 14px 30px -20px rgba(18, 20, 43, .45);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------------------------------------------------------------- 2. 复位 */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  overflow-x: clip;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-d); }
button, input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }
img, video { max-width: 100%; height: auto; display: block; border: 0; }
svg { display: inline-block; vertical-align: -.125em; flex: 0 0 auto; }
.i { width: 17px; height: 17px; max-width: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
[hidden] { display: none !important; }
::selection { background: var(--brand); color: #fff; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.skip { position: absolute; top: 0; left: 0; z-index: 90; clip: rect(0 0 0 0); clip-path: inset(50%); width: 1px; height: 1px; overflow: hidden; white-space: nowrap; }
.skip:focus { clip: auto; clip-path: none; width: auto; height: auto; padding: 8px 14px; background: var(--brand); color: #fff; }

/* ---------------------------------------------------------------- 3. 布局 */
.wrap { width: min(var(--wrap), 100% - (var(--gut) * 2)); margin-inline: auto; }
.sec { padding-block: var(--sp); position: relative; }
.sec--paper2 { background: var(--paper-2); }
.sec--deep { background: var(--dark); color: var(--on-dark); }
.sec--deep .sec-head__title { color: #fff; }
.sec--deep .sec-head__kicker { color: var(--on-dark-brand); }
.sec--deep .sec-head__desc { color: var(--on-dark-2); }

/* 区块标题：等宽坐标编号 + 中文标题 + 右延细线 + 线末方块（坐标栅格签名） */
.sec-head { display: flex; align-items: flex-end; gap: 0 16px; position: relative; padding-bottom: 16px; margin-bottom: 36px; }
.sec-head::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--line); }
.sec-head__no { align-self: flex-start; margin-top: 3px; padding: 4px 8px; border: 1px solid var(--accent); background: var(--accent-l); color: var(--accent-d); font: 600 12px/1 var(--mono); letter-spacing: .1em; }
.sec-head__txt { margin-right: auto; min-width: 0; }
.sec-head__kicker { font: 600 11px/1.4 var(--mono); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); }
.sec-head__title { font-size: clamp(20px, 2.4vw, 29px); line-height: 1.3; font-weight: 800; letter-spacing: .01em; margin-top: 5px; }
.sec-head__desc { font-size: 13.5px; color: var(--ink-3); padding-bottom: 4px; }
.sec-head__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; color: var(--brand); padding-bottom: 4px; }
.sec-head__node { position: absolute; right: 0; bottom: -3px; width: 7px; height: 7px; background: var(--accent); }
.block-head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.block-head__t { font-size: 19px; font-weight: 800; }
.block-head__line { flex: 1 1 auto; height: 1px; background: var(--line); }
.block-head__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--brand); }

/* ---------------------------------------------------------------- 4. 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border: 1px solid transparent; border-radius: 2px; font-size: 14.5px; font-weight: 700; line-height: 1.2; cursor: pointer; background: var(--brand); color: #fff; transition: background .18s, border-color .18s, color .18s, transform .18s; }
.btn:hover { background: var(--brand-d); color: #fff; }
.btn > .btn__t { color: inherit; font-size: inherit; line-height: inherit; }
.btn--sm { padding: 9px 16px; font-size: 13.5px; }
.btn--accent { background: var(--accent-d); }
.btn--accent:hover { background: var(--accent); }
.btn--onDark { background: transparent; color: var(--on-dark); border-color: rgba(238, 240, 248, .38); }
.btn--onDark:hover { background: rgba(238, 240, 248, .14); color: #fff; border-color: rgba(238, 240, 248, .66); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---------------------------------------------------------------- 5. 顶栏信息条 */
.topbar { background: var(--dark); color: var(--on-dark-2); font-size: 12.5px; }
.topbar__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 24px; padding-block: 9px; }
.topbar__meta { display: flex; flex-wrap: wrap; gap: 4px 22px; min-width: 0; }
.topbar__meta li { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.topbar__nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 16px; }
.topbar__nav a { color: var(--on-dark-2); }
.topbar__nav a:hover { color: #fff; }

/* ---------------------------------------------------------------- 6. 吸顶主导航 */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--card); border-bottom: 1px solid var(--line); }
.site-header.is-scrolled { box-shadow: var(--shadow); }
.header-main { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; padding-block: 13px; }
.brand { display: flex; align-items: center; gap: 11px; order: 1; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand__mark { width: 40px; height: 40px; flex: 0 0 auto; }
.brand__txt { display: block; line-height: 1.15; }
.brand__cn { display: block; font-size: 19px; font-weight: 800; letter-spacing: .06em; }
.brand__en { display: block; font: 600 10.5px/1.4 var(--mono); letter-spacing: .3em; color: var(--ink-3); font-style: normal; }
.nav { order: 2; }
.nav__list { display: flex; flex-wrap: nowrap; align-items: center; gap: 4px; }
.nav__list > li { flex: 0 0 auto; }
.nav__link { display: block; padding: 9px 13px; font-size: 14.5px; font-weight: 700; color: var(--ink-2); white-space: nowrap; border-bottom: 2px solid transparent; }
.nav__link:hover { color: var(--brand); }
.nav__link.is-cur { color: var(--brand); border-bottom-color: var(--accent); }
.header-cta { order: 3; margin-left: auto; }
.nav-toggle { order: 4; display: none; align-items: center; justify-content: center; width: 42px; height: 42px; border: 1px solid var(--line-2); background: var(--card); border-radius: 2px; cursor: pointer; color: var(--ink); }
.nav-toggle:hover { border-color: var(--brand); color: var(--brand); }

/* ---------------------------------------------------------------- 7. Hero */
.hero { position: relative; background: var(--dark); color: var(--on-dark); overflow: hidden; }
.hero__deco { position: absolute; right: 0; top: 0; width: 62%; height: auto; opacity: .9; pointer-events: none; }
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.12fr .88fr; gap: 40px 54px; padding-block: 64px 54px; align-items: start; }
.hero__kicker { font: 600 11.5px/1.5 var(--mono); letter-spacing: .22em; color: var(--on-dark-brand); }
.hero__title { font-size: clamp(29px, 4.3vw, 52px); line-height: 1.2; font-weight: 800; letter-spacing: .02em; margin-top: 12px; color: #fff; }
.hero__title-sub { display: block; font-size: .56em; letter-spacing: .22em; color: var(--on-dark-brand); font-weight: 700; margin-top: 6px; }
.hero__desc { margin-top: 18px; max-width: 34em; font-size: 15px; line-height: 1.9; color: var(--on-dark-2); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero__panel { background: rgba(238, 240, 248, .06); border: 1px solid rgba(238, 240, 248, .18); padding: 22px 22px 18px; }
.hero__panel-t { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 800; color: #fff; padding-bottom: 12px; border-bottom: 1px solid rgba(238, 240, 248, .18); }
.hero__list { margin-top: 6px; }
.hero__list li { display: flex; align-items: baseline; gap: 10px; padding-block: 10px; border-bottom: 1px solid rgba(238, 240, 248, .1); }
.hero__no { font: 600 11.5px/1.4 var(--mono); color: var(--accent); flex: 0 0 auto; }
.hero__link { flex: 1 1 auto; min-width: 0; font-size: 13.5px; line-height: 1.6; color: var(--on-dark); }
.hero__link:hover { color: #fff; }
.hero__date { flex: 0 0 auto; font: 500 11.5px/1.4 var(--mono); color: var(--on-dark-2); }
.hero__panel-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--on-dark-brand); }
.hero__stats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(238, 240, 248, .14); border-top: 1px solid rgba(238, 240, 248, .14); }
.stat { background: var(--dark); padding: 20px 20px 24px; display: flex; flex-direction: column; gap: 2px; }
.stat__n { display: block; font: 700 27px/1.15 var(--mono); color: #fff; letter-spacing: -.02em; }
.stat__t { display: block; font-size: 13.5px; font-weight: 700; color: var(--on-dark); margin-top: 6px; }
.stat__d { display: block; font-size: 12px; color: var(--on-dark-2); }

/* ---------------------------------------------------------------- 8. 分类（田字线框） */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cat-cell { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 26px 22px 20px; background: var(--card); color: var(--ink); transition: background .18s; }
.cat-cell:hover { background: var(--brand-l); color: var(--ink); }
.cat-cell::before { content: ""; position: absolute; top: 11px; right: 11px; width: 13px; height: 1px; background: var(--line-2); }
.cat-cell::after { content: ""; position: absolute; top: 5px; right: 17px; width: 1px; height: 13px; background: var(--line-2); }
.cat-cell__no { font: 600 12px/1 var(--mono); letter-spacing: .12em; color: var(--accent-d); }
.cat-cell__ico { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 2px; background: var(--brand-l); color: var(--brand); margin-top: 4px; transition: background .18s, color .18s; }
.cat-cell:hover .cat-cell__ico { background: var(--brand); color: #fff; }
.cat-cell__name { font-size: 17px; font-weight: 800; }
.cat-cell__desc { font-size: 13px; line-height: 1.7; color: var(--ink-3); }
.cat-cell__f { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-2); }
.cat-cell__cnt { font-style: normal; font-family: var(--mono); font-weight: 600; }

/* ---------------------------------------------------------------- 9. 带缩略图文章区 */
.thumb-top { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tcard { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); }
.tcard__media { position: relative; border-bottom: 1px solid var(--line); overflow: hidden; }
.tcard__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.tcard__no { position: absolute; left: 12px; bottom: 12px; padding: 3px 8px; background: var(--ink); color: #fff; font: 600 11.5px/1.5 var(--mono); }
.tcard__body { display: flex; flex-direction: column; gap: 9px; padding: 18px 18px 16px; flex: 1 1 auto; }
.tcard__cat { align-self: flex-start; padding: 3px 9px; background: var(--brand-l); color: var(--brand-d); font-size: 12px; font-weight: 700; }
.tcard__title { font-size: 16.5px; line-height: 1.55; font-weight: 800; }
.tcard__title a { color: var(--ink); }
.tcard__title a:hover { color: var(--brand); }
.tcard__meta { display: flex; gap: 14px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }
.twide { display: grid; grid-template-columns: 320px 1fr; background: var(--card); border: 1px solid var(--line); margin-top: 22px; color: var(--ink); }
.twide:hover { color: var(--ink); border-color: var(--line-2); }
.twide__media { display: block; overflow: hidden; border-right: 1px solid var(--line); }
.twide__media img { width: 100%; height: 100%; object-fit: cover; }
.twide__body { display: flex; flex-direction: column; gap: 11px; padding: 26px 30px 24px; }
.twide__tag { align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; background: var(--accent-l); color: var(--accent-d); font-size: 12.5px; font-weight: 700; }
.twide__title { font-size: clamp(18px, 2vw, 23px); line-height: 1.5; font-weight: 800; }
.twide__ex { font-size: 14px; line-height: 1.85; color: var(--ink-3); max-width: 40em; }
.twide__meta { display: flex; align-items: center; gap: 16px; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }
.twide__go { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--brand); font-family: inherit; font-size: 13px; }

/* ---------------------------------------------------------------- 10. 双列无缩略图（编号线框卡） */
.duo { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.duo__it { position: relative; display: flex; flex-direction: column; gap: 9px; padding: 20px 22px 18px; background: var(--card); border: 1px solid var(--line); overflow: hidden; }
.duo__it::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform .22s ease; }
.duo__it:hover::before { transform: scaleY(1); }
.duo__no { font: 600 12px/1 var(--mono); letter-spacing: .12em; color: var(--accent-d); }
.duo__title { font-size: 16px; line-height: 1.6; font-weight: 700; }
.duo__title a { color: var(--ink); }
.duo__title a:hover { color: var(--brand); }
.duo__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: auto; padding-top: 11px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }
.duo__cat { color: var(--brand-d); font-weight: 600; font-family: inherit; }

/* ---------------------------------------------------------------- 11. 三列无缩略图（无框台账） */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 40px; border-bottom: 1px solid var(--line); }
.trio__it { display: flex; flex-direction: column; gap: 5px; padding: 16px 0 18px; border-top: 1px solid var(--line); }
.trio__date { font: 500 12px/1.4 var(--mono); color: var(--ink-3); letter-spacing: .06em; }
.trio__title { font-size: 15px; line-height: 1.6; font-weight: 700; }
.trio__title a { color: var(--ink); }
.trio__title a:hover { color: var(--brand); }
.trio__meta { font-size: 12.5px; color: var(--ink-3); }

/* ---------------------------------------------------------------- 12. 关于本站 */
.about { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: start; }
.about__p { font-size: 15px; line-height: 1.95; color: var(--ink-2); }
.about__p + .about__p { margin-top: 14px; }
.about__pts { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.about__pts li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink-2); }
.about__pts .i { color: var(--brand); margin-top: 4px; }
.about__card { background: var(--card); border: 1px solid var(--line); padding: 22px 22px 18px; color: var(--ink); }
.about__card-t { font: 600 12px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.about__row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-block: 12px; border-bottom: 1px solid var(--line); }
.about__row-n { font: 700 22px/1.2 var(--mono); color: var(--brand); }
.about__row-t { font-size: 13.5px; color: var(--ink-2); }
.about__card-f { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-size: 12.5px; color: var(--ink-3); }

/* ---------------------------------------------------------------- 13. 办事流程 */
.method { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.method__cell { display: flex; flex-direction: column; gap: 7px; padding: 24px 22px 26px; background: var(--card); }
.method__no { font: 700 12px/1 var(--mono); letter-spacing: .18em; color: var(--accent-d); }
.method__t { font-size: 16.5px; font-weight: 800; }
.method__d { font-size: 13.5px; line-height: 1.8; color: var(--ink-3); }

/* ---------------------------------------------------------------- 14. 表单模块 */
.sec--consult { background: var(--paper-2); }
.consult { display: grid; grid-template-columns: 1fr 340px; border: 1px solid var(--line); background: var(--card); }
.consult__form { padding: 30px 32px 28px; min-width: 0; }
.consult__note { border-left: 1px solid var(--line); background: var(--paper); padding: 30px 26px 26px; color: var(--ink); }
.consult__note-t { font-size: 15.5px; font-weight: 800; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.consult__list { margin-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.consult__list li { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.75; color: var(--ink-2); }
.consult__no { flex: 0 0 auto; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; margin-top: 3px; background: var(--brand); color: #fff; font: 700 11.5px/1 var(--mono); }
.consult__note-f { display: flex; align-items: center; gap: 8px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 13px; font-weight: 700; color: var(--brand-d); }
.form-card { color: var(--ink); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 18px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field__lb { font-size: 13.5px; font-weight: 700; color: var(--ink-2); }
.field__req { color: var(--err); font-style: normal; margin-left: 3px; }
.field__in { width: 100%; padding: 11px 13px; border: 1px solid var(--line-2); border-radius: 2px; background: var(--card); font-size: 14.5px; line-height: 1.5; transition: border-color .18s, box-shadow .18s; }
.field__in::placeholder { color: var(--ink-3); }
.field__in:focus { outline: 0; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-l); }
.field__sel { appearance: none; padding-right: 34px; }
.field__sel::after { content: ""; }
.field__wrap-sel { position: relative; }
.field__txa { min-height: 108px; resize: vertical; }
.field__cbx { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.field__cbx input { width: 17px; height: 17px; margin-top: 3px; flex: 0 0 auto; accent-color: var(--brand); }
.field__err { font-size: 12.5px; color: var(--err); display: none; }
.field.is-invalid .field__in { border-color: var(--err); background: var(--err-bg); }
.field.is-invalid .field__err { display: block; }
.form-act { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.form-tip { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-3); }
.form-alert { display: none; margin-bottom: 16px; padding: 11px 14px; font-size: 13.5px; line-height: 1.7; border: 1px solid transparent; }
.form-alert.is-on { display: block; }
.form-alert.is-ok { background: var(--ok-bg); border-color: var(--ok); color: var(--ok); }
.form-alert.is-err { background: var(--err-bg); border-color: var(--err); color: var(--err); }

/* ---------------------------------------------------------------- 15. FAQ */
.faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.faq__it { background: var(--card); }
.faq__q { display: flex; gap: 12px; align-items: flex-start; padding: 20px 22px; cursor: pointer; font-size: 15.5px; font-weight: 700; list-style: none; }
.faq__q::-webkit-details-marker { display: none; }
.faq__q::marker { content: ""; }
.faq__no { flex: 0 0 auto; font: 700 12px/1.9 var(--mono); color: var(--accent-d); letter-spacing: .06em; }
.faq__t { flex: 1 1 auto; }
.faq__a { padding: 0 22px 20px 56px; font-size: 14px; line-height: 1.9; color: var(--ink-2); }
.faq__it[open] .faq__q { color: var(--brand-d); }

/* ---------------------------------------------------------------- 16. 友情链接 */
.links { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: var(--card); }
.links__i { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.links__a { position: relative; display: block; padding: 15px 16px 15px 33px; font-size: 13.5px; line-height: 1.5; color: var(--ink-2); transition: background .16s, color .16s; }
.links__a::before { content: ''; position: absolute; left: 16px; top: 20px; width: 6px; height: 6px; border: 1px solid var(--line-2); transition: border-color .16s, background .16s; }
.links__a:hover { background: var(--brand-l); color: var(--brand-d); }
.links__a:hover::before { border-color: var(--brand); background: var(--brand); }
.links__notice { display: flex; gap: 10px; align-items: flex-start; margin-top: 22px; font-size: 12.5px; line-height: 1.8; color: var(--ink-3); }
.links__notice .i { margin-top: 4px; flex: 0 0 auto; }

/* ---------------------------------------------------------------- 17. 页脚 */
.site-footer { background: var(--dark); color: var(--on-dark-2); }
.footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-block: 56px 38px; }
.footer-brand { display: flex; align-items: center; gap: 11px; }
.footer-brand__t { display: block; line-height: 1.2; }
.footer-brand__t b { display: block; font-size: 17px; color: #fff; letter-spacing: .06em; }
.footer-brand__t em { display: block; font: 600 10.5px/1.4 var(--mono); letter-spacing: .3em; color: var(--on-dark-2); font-style: normal; }
.footer-desc { margin-top: 14px; font-size: 13.5px; line-height: 1.85; color: var(--on-dark-2); max-width: 30em; }
.footer-contact { margin-top: 16px; display: flex; flex-direction: column; gap: 9px; font-size: 13px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 9px; }
.footer-contact .i { margin-top: 4px; color: var(--on-dark-brand); }
.footer-t { font: 600 12px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: #fff; padding-bottom: 12px; border-bottom: 1px solid rgba(238, 240, 248, .16); }
.footer-list { margin-top: 14px; display: flex; flex-direction: column; gap: 9px; font-size: 13.5px; }
.footer-list a { color: var(--on-dark-2); }
.footer-list a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between; padding-block: 18px; border-top: 1px solid rgba(238, 240, 248, .14); font-size: 12.5px; }
.footer-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; }

/* ---------------------------------------------------------------- 18. 移动底栏 / 返回顶部 */
.mobile-bar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: var(--card); border-top: 1px solid var(--line); grid-template-columns: repeat(3, 1fr); padding-bottom: env(safe-area-inset-bottom, 0px); }
.mobile-bar__it { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 9px 4px 8px; font-size: 11.5px; color: var(--ink-2); }
.mobile-bar__it .i { color: var(--brand); }
.mobile-bar__it--cta { background: var(--accent-d); color: #fff; }
.mobile-bar__it--cta .i { color: #fff; }
.to-top { position: fixed; right: 18px; bottom: 84px; z-index: 55; display: none; align-items: center; justify-content: center; width: 42px; height: 42px; background: var(--card); border: 1px solid var(--line-2); color: var(--brand); }
.to-top.is-on { display: flex; }

/* ---------------------------------------------------------------- 19. 内页 banner / 面包屑 */
.page-banner { position: relative; background: var(--dark); color: var(--on-dark); overflow: hidden; }
.page-banner__deco { position: absolute; right: 0; top: 0; width: 74%; height: 100%; object-fit: cover; opacity: .9; pointer-events: none; }
.page-banner__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr auto; gap: 24px 40px; align-items: end; padding-block: 44px 38px; }
.page-banner__txt { max-width: 46em; }
.page-banner__kicker { font: 600 11.5px/1.5 var(--mono); letter-spacing: .22em; color: var(--on-dark-brand); }
.page-banner__title { font-size: clamp(22px, 3vw, 35px); line-height: 1.32; font-weight: 800; color: #fff; margin-top: 10px; }
.page-banner__desc { margin-top: 12px; font-size: 14px; line-height: 1.85; color: var(--on-dark-2); }
.page-banner__stats { display: grid; grid-template-columns: repeat(3, auto); gap: 0 30px; }
.pbstat { display: flex; flex-direction: column; gap: 2px; padding-left: 16px; border-left: 1px solid rgba(238, 240, 248, .24); }
.pbstat__n { display: block; font: 700 20px/1.2 var(--mono); color: #fff; }
.pbstat__t { display: block; font-size: 12px; color: var(--on-dark-2); }
.crumb { background: var(--paper-2); border-bottom: 1px solid var(--line); }
.crumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 0; padding-block: 12px; font-size: 13px; color: var(--ink-3); }
.crumb__it { display: flex; align-items: center; }
.crumb__it + .crumb__it::before { content: "/"; margin: 0 10px; color: var(--line-2); }
.crumb__it a { color: var(--ink-2); }
.crumb__it a:hover { color: var(--brand); }
.crumb__it [aria-current] { color: var(--ink); font-weight: 700; }

/* ---------------------------------------------------------------- 20. 列表页 */
.news-body { padding-block: 26px 56px; }
.filter { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.filter__lb { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700; color: var(--ink-3); }
.filter__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.filter__count { margin-left: auto; font-size: 13px; color: var(--ink-3); font-family: var(--mono); }
.filter__count b { color: var(--brand); font-weight: 700; }
.chip { padding: 7px 14px; border: 1px solid var(--line-2); border-radius: 2px; background: var(--card); font-size: 13.5px; color: var(--ink-2); cursor: pointer; transition: background .16s, border-color .16s, color .16s; }
.chip:hover { border-color: var(--brand); color: var(--brand); }
.chip.is-on { background: var(--brand); border-color: var(--brand); color: #fff; }

/* 精选卡带：三张坐标卡（跨领域编辑推荐，不参与客户端筛选） */
.picks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 28px; }
.pickcard { position: relative; display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); }
.pickcard__no { position: absolute; left: 0; top: 0; z-index: 2; padding: 6px 11px; background: var(--brand); color: #fff; font: 700 12px/1 var(--mono); letter-spacing: .1em; }
.pickcard__media { display: block; border-bottom: 1px solid var(--line); overflow: hidden; }
.pickcard__media img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.pickcard__body { display: flex; flex-direction: column; gap: 9px; flex: 1 1 auto; padding: 18px 20px 20px; }
.pickcard__cat { font: 600 11.5px/1 var(--mono); letter-spacing: .14em; color: var(--accent-d); }
.pickcard__title { font-size: clamp(15px, 1.5vw, 17px); line-height: 1.55; font-weight: 800; }
.pickcard__title a { color: var(--ink); }
.pickcard__title a:hover { color: var(--brand); }
.pickcard__meta { margin-top: auto; padding-top: 11px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }

/* 编年册：月份刻度 + 月内双列账簿（全量收录，参与客户端筛选） */
.chron { margin-top: 36px; }
.chron__g + .chron__g { margin-top: 38px; }
.chron__gh { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 0 18px; padding-bottom: 13px; border-bottom: 2px solid var(--ink); }
.chron__no { font: 800 34px/1 var(--mono); letter-spacing: -.02em; color: var(--accent); }
.chron__mt { font-size: 17px; font-weight: 800; letter-spacing: .02em; }
.chron__ct { margin-top: 4px; font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }
.chron__gl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 36px; }
.chron__it { display: grid; grid-template-columns: 58px minmax(0, 1fr) auto; align-items: baseline; gap: 4px 14px; padding-block: 15px; border-bottom: 1px solid var(--line); }
.chron__date { font: 500 12.5px/1.6 var(--mono); color: var(--ink-3); letter-spacing: .04em; }
.chron__title { font-size: 15.5px; line-height: 1.6; font-weight: 700; }
.chron__title a { color: var(--ink); }
.chron__title a:hover { color: var(--brand); }
.chron__tag { justify-self: start; padding: 2px 8px; background: var(--paper-2); color: var(--ink-2); font-size: 12px; white-space: nowrap; }
.filter-empty { margin-top: 26px; padding: 22px; border: 1px dashed var(--line-2); background: var(--card); font-size: 14px; color: var(--ink-3); text-align: center; }
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 20px; margin-top: 32px; }
.pager__info { font-size: 13.5px; color: var(--ink-3); }
.pager__info b { color: var(--brand); font-family: var(--mono); }
.pager__list { display: flex; flex-wrap: wrap; gap: 7px; }
.pager__it { display: flex; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 0 11px; border: 1px solid var(--line-2); background: var(--card); font-size: 13.5px; color: var(--ink-2); }
.pager__it:hover { border-color: var(--brand); color: var(--brand); }
.pager__it.is-cur { background: var(--brand); border-color: var(--brand); color: #fff; }
.pager__it.is-off, .pager__it.is-gap { color: var(--ink-3); background: var(--paper-2); border-color: var(--line); }
.extra-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }

/* ---------------------------------------------------------------- 21. 侧栏 widget */
.widget { background: var(--card); border: 1px solid var(--line); padding: 20px 20px 18px; }
.widget__t { font-size: 15px; font-weight: 800; padding-bottom: 11px; border-bottom: 1px solid var(--line); }
.widget__b { margin-top: 4px; }
.toc__list { margin-top: 6px; }
.toc__i { border-bottom: 1px solid var(--line); }
.toc__i:last-child { border-bottom: 0; }
.toc__link { display: flex; gap: 10px; align-items: flex-start; padding-block: 10px; font-size: 13.5px; line-height: 1.65; color: var(--ink-2); }
.toc__link:hover { color: var(--brand); }
.toc__link.is-on { color: var(--brand); font-weight: 700; }
.toc__no { flex: 0 0 auto; font: 600 11.5px/1.75 var(--mono); color: var(--accent-d); }
.wcatnav__list { margin-top: 6px; }
.wcatnav__i { border-bottom: 1px solid var(--line); }
.wcatnav__i:last-child { border-bottom: 0; }
.wcatnav__i a { display: flex; align-items: center; gap: 10px; padding-block: 10px; font-size: 13.5px; color: var(--ink-2); }
.wcatnav__i a:hover { color: var(--brand); }
.wcatnav__i .i { color: var(--brand); }
.wcatnav__i span { flex: 1 1 auto; }
.wcatnav__i em { font: 600 12px/1.6 var(--mono); color: var(--ink-3); font-style: normal; }
.whot__list { margin-top: 6px; }
.whot__i { display: flex; gap: 9px; align-items: flex-start; padding-block: 10px; border-bottom: 1px solid var(--line); }
.whot__i:last-child { border-bottom: 0; }
.whot__no { flex: 0 0 auto; font: 700 11.5px/1.8 var(--mono); color: var(--ink-3); }
.whot__no.is-top { color: #fff; background: var(--accent-d); padding: 0 4px; line-height: 1.7; }
.whot__i a { flex: 1 1 auto; font-size: 13.5px; line-height: 1.65; color: var(--ink-2); }
.whot__i a:hover { color: var(--brand); }
.whot__r { flex: 0 0 auto; font: 600 11.5px/1.8 var(--mono); color: var(--ink-3); font-style: normal; }
.wlaw__list { margin-top: 6px; }
.wlaw__i { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; padding-block: 10px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.wlaw__i:last-child { border-bottom: 0; }
.wlaw__i .i { color: var(--brand); align-self: center; }
.wlaw__n { flex: 1 1 auto; min-width: 0; color: var(--ink-2); }
.wlaw__d { font: 500 11.5px/1.6 var(--mono); color: var(--ink-3); }
.wsame__list { margin-top: 6px; }
.wsame__i { padding-block: 10px; border-bottom: 1px solid var(--line); }
.wsame__i:last-child { border-bottom: 0; }
.wsame__i a { display: block; font-size: 13.5px; line-height: 1.65; color: var(--ink-2); }
.wsame__i a:hover { color: var(--brand); }
.wsame__i em { display: block; margin-top: 4px; font: 500 11.5px/1.5 var(--mono); color: var(--ink-3); font-style: normal; }
.wpromise__list { margin-top: 8px; display: flex; flex-direction: column; gap: 10px; }
.wpromise__list li { display: flex; gap: 9px; align-items: flex-start; font-size: 13px; line-height: 1.7; color: var(--ink-2); }
.wpromise__list .i { color: var(--brand); margin-top: 4px; }
.wcta { background: var(--dark); border-color: var(--dark); color: var(--on-dark); }
.wcta__t { font-size: 15.5px; font-weight: 800; color: #fff; }
.wcta__d { margin-top: 8px; margin-bottom: 16px; font-size: 13px; line-height: 1.8; color: var(--on-dark-2); }

/* 侧栏：问答速览 */
.wqnav__list { margin-top: 6px; }
.wqnav__i { border-bottom: 1px solid var(--line); }
.wqnav__i:last-child { border-bottom: 0; }
.wqnav__q { display: flex; gap: 10px; align-items: flex-start; padding-block: 11px; font-size: 13.5px; line-height: 1.65; font-weight: 600; color: var(--ink-2); cursor: pointer; list-style: none; }
.wqnav__q::-webkit-details-marker { display: none; }
.wqnav__q::marker { content: ""; }
.wqnav__q:hover { color: var(--brand); }
.wqnav__no { flex: 0 0 auto; font: 600 11.5px/1.75 var(--mono); color: var(--accent-d); }
.wqnav__t { flex: 1 1 auto; min-width: 0; }
.wqnav__a { padding: 0 0 12px 26px; font-size: 12.5px; line-height: 1.8; color: var(--ink-3); }
.wqnav__i[open] .wqnav__q { color: var(--brand-d); }

/* 侧栏：办事指引 */
.wguide__list { margin-top: 8px; }
.wguide__i { display: flex; gap: 11px; align-items: flex-start; padding-block: 11px; border-bottom: 1px solid var(--line); }
.wguide__i:last-child { border-bottom: 0; }
.wguide__no { flex: 0 0 auto; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; margin-top: 2px; background: var(--brand-l); color: var(--brand-d); font: 700 11px/1 var(--mono); }
.wguide__b { flex: 1 1 auto; min-width: 0; }
.wguide__t { display: block; font-size: 13.5px; font-weight: 700; color: var(--ink); }
.wguide__d { display: block; margin-top: 5px; font-size: 12.5px; line-height: 1.75; color: var(--ink-3); }

/* 侧栏：热门标签 */
.wtagcloud__list { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.wtagcloud__list a { display: inline-block; padding: 6px 11px; border: 1px solid var(--line-2); font-size: 12.5px; color: var(--ink-2); }
.wtagcloud__list a:hover { border-color: var(--brand); color: var(--brand); }

/* ---------------------------------------------------------------- 22. 文章页 */
.art-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 0 52px; align-items: start; padding-block: 42px 0; }
.art-main { min-width: 0; }
.art-side { align-self: stretch; }
.art-side__rail { display: flex; flex-direction: column; gap: 18px; }
.art-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--ink-3); }
.art-meta__i { display: flex; align-items: center; gap: 7px; }
.art-meta__i .i { color: var(--brand); }
.art-lede { margin-top: 22px; padding: 18px 20px; background: var(--paper-2); border-left: 3px solid var(--brand); font-size: 15px; line-height: 1.95; color: var(--ink-2); }
.art-body { margin-top: 26px; }
.art-body > p { font-size: 16px; line-height: 2; color: var(--ink); max-width: 42em; margin-top: 18px; overflow-wrap: break-word; }
.art-body h2 { position: relative; font-size: 21px; line-height: 1.5; font-weight: 800; margin-top: 40px; padding-left: 16px; }
.art-body h2::before { content: ""; position: absolute; left: 0; top: .28em; bottom: .28em; width: 4px; background: var(--accent); }
.art-body h3 { font-size: 17px; line-height: 1.6; font-weight: 800; margin-top: 26px; padding-left: 15px; position: relative; }
.art-body h3::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; background: var(--brand); }
.art-ul { margin-top: 16px; display: flex; flex-direction: column; gap: 9px; max-width: 42em; }
.art-ul li { position: relative; padding-left: 20px; font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.art-ul li::before { content: ""; position: absolute; left: 2px; top: .72em; width: 7px; height: 1px; background: var(--brand); }
.table-x { margin-top: 20px; overflow-x: auto; border: 1px solid var(--line); background: var(--card); }
.art-table { min-width: 620px; font-size: 14px; }
.art-table th, .art-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.7; }
.art-table thead th { background: var(--dark); color: #fff; font-weight: 700; white-space: nowrap; }
.art-table tbody th { font-weight: 700; color: var(--ink); background: var(--paper-2); }
.art-table tbody td { color: var(--ink-2); }
.art-table tr:last-child th, .art-table tr:last-child td { border-bottom: 0; }
.tipbox { margin-top: 20px; padding: 16px 18px; background: var(--accent-l); border: 1px solid var(--accent); max-width: 44em; }
.tipbox__k { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 800; color: var(--accent-d); }
.tipbox p + p { margin-top: 8px; font-size: 14px; line-height: 1.9; color: var(--ink-2); }
.art-body blockquote { margin-top: 22px; padding: 4px 0 4px 22px; border-left: 3px solid var(--brand); max-width: 42em; }
.art-body blockquote p { font-size: 16.5px; line-height: 1.9; color: var(--ink-2); font-weight: 600; }
.note { margin-top: 16px; padding-left: 14px; border-left: 2px dashed var(--line-2); font-size: 13.5px; line-height: 1.85; color: var(--ink-3); max-width: 44em; }
.kwbox { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 12px; margin-top: 18px; padding: 12px 16px; background: var(--paper-2); max-width: 44em; }
.kwbox__k { font: 600 12px/1.6 var(--mono); letter-spacing: .1em; color: var(--accent-d); }
.kwbox__v { flex: 1 1 auto; min-width: 0; font-size: 13.5px; color: var(--ink-2); }
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 20px; }
.flow__it { background: var(--card); padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 6px; }
.flow__no { font: 700 12px/1 var(--mono); letter-spacing: .14em; color: var(--accent-d); }
.flow__t { font-size: 15px; font-weight: 800; }
.flow__d { font-size: 13px; line-height: 1.8; color: var(--ink-3); }
.art-review { display: flex; align-items: center; gap: 9px; margin-top: 30px; padding-top: 16px; border-top: 1px dashed var(--line-2); font-size: 13px; color: var(--ink-3); }
.art-review .i { color: var(--brand); }
.art-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.art-tags li { display: flex; align-items: center; }
.art-tags a { display: flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--line-2); font-size: 13px; color: var(--ink-2); }
.art-tags a:hover { border-color: var(--brand); color: var(--brand); }
.art-tags .i { color: var(--brand); }
.art-more { padding-block: 0 56px; }
.art-sec { margin-top: 48px; }
.prevnext { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 8px; }
.prevnext__it { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px; background: var(--card); border: 1px solid var(--line); color: var(--ink); }
.prevnext__it:hover { border-color: var(--brand); color: var(--ink); }
.prevnext__lb { display: flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; color: var(--brand); }
.prevnext__it--next .prevnext__lb { justify-content: flex-end; }
.prevnext__it--next { text-align: right; }
.prevnext__t { font-size: 14.5px; line-height: 1.65; font-weight: 700; }

/* ---------------------------------------------------------------- 23. 长文本断行 */
.tcard__title, .duo__title, .trio__title, .chron__title { overflow-wrap: break-word; }
.pickcard__title, .chron__mt, .twide__title, .hero__link { overflow-wrap: break-word; }
.toc__link, .whot__i a, .wsame__i a, .wlaw__n { overflow-wrap: break-word; }
.footer-desc, .links__a, .cat-cell__name, .method__t { overflow-wrap: break-word; }
.consult__list li, .about__p, .faq__t, .faq__a { overflow-wrap: break-word; }
.art-body h2, .art-body h3, .art-body blockquote p, .art-ul li { overflow-wrap: break-word; }
.art-table th, .art-table td, .page-banner__title { overflow-wrap: break-word; }
.wqnav__q, .wqnav__a, .wguide__t, .wguide__d, .wtagcloud__list a { overflow-wrap: break-word; }

/* ---------------------------------------------------------------- 24. 入场动画（渐进增强） */
.reveal { opacity: 1; transform: none; }
html.js-reveal .reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
html.js-reveal .reveal.is-in { opacity: 1; transform: none; }
html.js-reveal .side-rail,
html.js-reveal .art-side__rail { opacity: 1; transform: none; }

/* ============================================================================
   24. 媒体查询（集中放在文件末尾：避免被后面同特异性的基础规则反压）
   ============================================================================ */

/* ---------- ≤1099：抽屉导航 + 主要栅格降列 ---------- */
@media (max-width: 1099px) {
  .site-header.is-collapsible .nav { order: 4; flex: 1 0 100%; max-height: 0; overflow: hidden; transition: max-height .28s ease; }
  .site-header.is-collapsible .nav.is-open { max-height: 70vh; }
  .site-header.is-collapsible .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-header.is-collapsible .nav__link { padding: 12px 2px; border-bottom: 1px solid var(--line); border-left: 3px solid transparent; padding-left: 12px; }
  .site-header.is-collapsible .nav__link.is-cur { border-left-color: var(--accent); border-bottom-color: var(--line); }
  /* 无 JS 降级：导航换行铺满整行，绝不塌缩；此时汉堡按钮没有意义，隐藏它 */
  .site-header:not(.is-collapsible) .nav { order: 4; flex: 1 0 100%; }
  .site-header:not(.is-collapsible) .nav__list { flex-wrap: wrap; }
  .site-header:not(.is-collapsible) .nav-toggle { display: none; }
  .header-main { gap: 10px 18px; }
  .brand { order: 1; }
  .header-cta { order: 2; margin-left: auto; }
  .nav-toggle { order: 3; display: inline-flex; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .hero__inner { grid-template-columns: 1fr; padding-block: 52px 44px; }
  .hero__deco { width: 78%; opacity: .7; }
  .hero__panel { max-width: 620px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .thumb-top { grid-template-columns: repeat(2, 1fr); }
  .twide { grid-template-columns: 260px 1fr; }
  .method { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 30px; }
  .consult { grid-template-columns: 1fr; }
  .consult__note { border-left: 0; border-top: 1px solid var(--line); }
  .faq { grid-template-columns: 1fr; }
  .links { grid-template-columns: repeat(3, 1fr); }
  .footer-main { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .extra-grid { grid-template-columns: 1fr; }
  .page-banner__deco { width: 100%; opacity: .55; }
  .page-banner__inner { grid-template-columns: 1fr; gap: 20px; }
  .art-layout { grid-template-columns: 1fr; gap: 34px 0; padding-block: 34px 0; }
  .art-side { align-self: auto; }
}

/* ---------- ≤899：移动底栏出现，栅格进一步收拢 ---------- */
@media (max-width: 899px) {
  body { padding-bottom: 62px; }
  .mobile-bar { display: grid; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .thumb-top { grid-template-columns: 1fr; }
  .twide { grid-template-columns: 1fr; }
  .twide__media { border-right: 0; border-bottom: 1px solid var(--line); }
  .duo { grid-template-columns: 1fr; }
  .trio { grid-template-columns: repeat(2, 1fr); }
  .method { grid-template-columns: 1fr; }
  .picks { grid-template-columns: 1fr; gap: 18px; }
  .links { grid-template-columns: repeat(2, 1fr); }
  .chron__gl { grid-template-columns: 1fr; }
  .pager { justify-content: flex-start; }
  .art-table { min-width: 0; }
  .table-x { overflow-x: visible; border: 0; background: transparent; }
  .art-table thead { display: none; }
  .art-table, .art-table tbody, .art-table tr, .art-table th, .art-table td { display: block; width: auto; }
  .art-table tr { border: 1px solid var(--line); background: var(--card); margin-bottom: 12px; }
  .art-table tbody th { background: var(--paper-2); border-bottom: 1px solid var(--line); }
  .art-table td { border-bottom: 1px solid var(--line); }
  .art-table td::before { content: attr(data-label); display: block; font-size: 12px; font-weight: 700; color: var(--ink-3); margin-bottom: 3px; }
  .art-table tr:last-child th, .art-table tr:last-child td { border-bottom: 1px solid var(--line); }
  .art-table tbody tr td:last-child { border-bottom: 0; }
  .flow { grid-template-columns: 1fr; }
  .prevnext { grid-template-columns: 1fr; }
  .prevnext__it--next, .prevnext__it--next .prevnext__lb { text-align: left; justify-content: flex-start; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; padding-block: 40px 30px; }
  .footer-bottom { justify-content: flex-start; }
  .sec-head { flex-wrap: wrap; }
  .sec-head__desc { width: 100%; order: 3; padding-bottom: 0; margin-top: 6px; }
  .page-banner__stats { grid-template-columns: repeat(3, 1fr); gap: 0 14px; }
}

/* ---------- ≤559：手机档 ---------- */
@media (max-width: 559px) {
  :root { --gut: 16px; }
  .header-cta { display: none; }
  .topbar__meta li.topbar__addr { display: none; }
  .topbar__nav { margin-left: 0; width: 100%; gap: 12px; }
  .cat-grid { grid-template-columns: 1fr; }
  .trio { grid-template-columns: 1fr; gap: 0; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .hero__title { letter-spacing: 0; }
  .page-banner__stats { grid-template-columns: 1fr; gap: 12px; }
  .pbstat { padding-left: 12px; }
  .filter__count { margin-left: 0; }
  .chron__it { grid-template-columns: 1fr; gap: 5px; padding-block: 13px; }
  .links__a { padding: 12px 12px 12px 28px; font-size: 13px; }
  .links__a::before { left: 12px; top: 18px; }
  .consult__form { padding: 22px 18px 20px; }
  .consult__note { padding: 22px 18px 20px; }
  .widget { padding: 18px 16px 16px; }
  .art-body > p { font-size: 15.5px; }
  .art-lede { padding: 15px 16px; }
}

/* ---------- 窄屏进一步收敛（320 档） ---------- */
@media (max-width: 399px) {
  .brand__cn { font-size: 17px; }
  .brand__en { letter-spacing: .2em; }
  .hero__stats { grid-template-columns: 1fr; }
  .pager__it { min-width: 34px; padding: 0 9px; }
}

/* ---------- 打印 / 降低动态 ---------- */
@media print {
  .mobile-bar, .to-top, .header-cta, .nav-toggle, .hero__deco, .page-banner__deco { display: none !important; }
  html.js-reveal .reveal { opacity: 1 !important; transform: none !important; }
  body { background: #fff; }
  .site-header { position: static; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js-reveal .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}