@charset "utf-8";
/* ==========================================================================
   周允之律师 · 个人网站  |  宣纸 · 印章 编辑刊物风
   全部资源本地化，无任何 CDN / 外部字体依赖
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --ink: #16181a;
  --ink-2: #2b3034;
  --ink-3: #4d545a;
  --ink-4: #767d84;
  --paper: #faf7f1;
  --paper-2: #f3eee4;
  --paper-3: #eae3d6;
  --seal: #a3352b;
  --seal-2: #7f2620;
  --jade: #2f5d52;
  --gold: #b08d57;
  --line: #ded7c9;
  --line-2: #cdc4b3;
  --shadow: 0 18px 44px -24px rgba(22, 24, 26, .28);
  --shadow-sm: 0 6px 18px -12px rgba(22, 24, 26, .22);
  --maxw: 1200px;
  --header-h: 74px;
  --topbar-h: 36px;

  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", serif;
  --font-num: "Optima", "Palatino Linotype", Georgia, "Times New Roman", serif;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(163, 53, 43, .045), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(47, 93, 82, .05), transparent 38%);
  background-attachment: fixed;
}
img, svg, video { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .2s ease, border-color .2s ease; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; color: var(--ink); line-height: 1.28; }
p { margin: 0 0 1em; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--seal); outline-offset: 3px; }
::selection { background: var(--seal); color: #fff; }

/* ---------- 3. Layout utils ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 880px; }
.row { display: grid; gap: 32px; }
.row > * { min-width: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 18px; transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* ---------- 4. Typography helpers ---------- */
.serif { font-family: var(--font-serif); }
.num { font-family: var(--font-num); letter-spacing: .04em; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .26em; text-transform: uppercase;
  color: var(--seal); font-weight: 700;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--seal); }
.section { padding: 88px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--alt { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { margin-bottom: 44px; max-width: 760px; }
.sec-head--split {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 28px; flex-wrap: wrap; max-width: none;
}
.sec-head__no {
  font-family: var(--font-num); font-size: 13px; letter-spacing: .2em;
  color: var(--ink-4); display: block; margin-bottom: 10px;
}
.sec-head h2 {
  font-family: var(--font-serif); font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: .01em; margin-bottom: 12px;
}
.sec-head h2 em { font-style: normal; color: var(--seal); }
.sec-head p { color: var(--ink-3); margin: 0; max-width: 62ch; }
.sec-head__link {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px;
  color: var(--ink); border-bottom: 1px solid var(--line-2); padding-bottom: 4px;
}
.sec-head__link:hover { color: var(--seal); border-color: var(--seal); }
.sec-head__link svg { width: 16px; height: 16px; }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; font-size: 15px; font-weight: 700; letter-spacing: .03em;
  border: 1px solid transparent; border-radius: 2px; cursor: pointer;
  transition: background .22s ease, color .22s ease, border-color .22s ease, transform .22s ease;
  text-align: center;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--seal { background: var(--seal); color: #fff; }
.btn--seal:hover { background: var(--seal-2); transform: translateY(-2px); }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: #000; transform: translateY(-2px); }
.btn--ghost { border-color: var(--line-2); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn--light { border: 1px solid rgba(255, 255, 255, .45); color: #fff; }
.btn--light:hover { background: #fff; color: var(--ink); }
.btn--sm { padding: 9px 16px; font-size: 13px; }
.btn--block { width: 100%; }

/* ---------- 6. Topbar ---------- */
.topbar { background: var(--ink); color: rgba(255, 255, 255, .68); font-size: 12.5px; }
.topbar__inner {
  min-height: var(--topbar-h); display: flex; align-items: center;
  justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.topbar__list { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.topbar__list li { display: flex; align-items: center; gap: 6px; }
.topbar__list svg { width: 13px; height: 13px; color: var(--seal); flex: none; }
.topbar a:hover { color: #fff; }
.topbar__note { letter-spacing: .04em; }

/* ---------- 7. Header ---------- */
.header {
  position: sticky; top: 0; z-index: 90; background: rgba(250, 247, 241, .94);
  backdrop-filter: saturate(150%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  min-height: var(--header-h); display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand__seal {
  width: 44px; height: 44px; flex: none; background: var(--seal); color: #fff;
  display: grid; place-items: center; border-radius: 2px;
  font-family: var(--font-serif); font-size: 21px; font-weight: 700; line-height: 1;
  box-shadow: 0 4px 12px -6px rgba(163, 53, 43, .8);
}
.brand__txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand__name { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--ink); letter-spacing: .06em; }
.brand__sub { font-size: 11.5px; color: var(--ink-4); letter-spacing: .16em; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  display: block; padding: 10px 14px; font-size: 15px; color: var(--ink-2);
  border-bottom: 2px solid transparent; position: relative;
}
.nav__link:hover { color: var(--seal); }
.nav__link.is-active { color: var(--seal); border-bottom-color: var(--seal); font-weight: 700; }
.header__cta { display: flex; align-items: center; gap: 12px; flex: none; }
.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line-2);
  background: transparent; color: var(--ink); border-radius: 2px; place-items: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0 0 0 auto; width: min(86vw, 340px); z-index: 120;
  background: var(--paper); border-left: 1px solid var(--line);
  transform: translateX(102%); transition: transform .3s ease;
  display: flex; flex-direction: column; overflow-y: auto;
}
.drawer.is-open { transform: none; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.drawer__close { width: 38px; height: 38px; border: 1px solid var(--line-2); background: transparent; display: grid; place-items: center; }
.drawer__close svg { width: 18px; height: 18px; }
.drawer__nav { padding: 12px 20px; }
.drawer__nav a { display: block; padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
.drawer__nav a.is-active { color: var(--seal); font-weight: 700; }
.drawer__foot { margin-top: auto; padding: 20px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.overlay { position: fixed; inset: 0; background: rgba(22, 24, 26, .5); opacity: 0; visibility: hidden; transition: .3s; z-index: 110; }
.overlay.is-open { opacity: 1; visibility: visible; }

/* ---------- 8. Hero (首页 banner) ---------- */
.hero {
  position: relative; background: var(--ink); color: #fff; overflow: hidden;
  background-image: url("../img/banner-texture.svg");
  background-size: cover; background-position: center;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(22, 24, 26, .96) 22%, rgba(22, 24, 26, .72) 62%, rgba(22, 24, 26, .4) 100%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 56px; padding: 84px 0 76px; align-items: center; }
.hero__kicker { color: #fff; opacity: .8; }
.hero__kicker::before { background: var(--seal); width: 46px; }
.hero h1 {
  font-family: var(--font-serif); color: #fff;
  font-size: clamp(32px, 5vw, 60px); line-height: 1.16; letter-spacing: .01em;
  margin: 18px 0 20px; font-weight: 700;
}
.hero h1 em { font-style: normal; color: var(--seal); position: relative; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: 8px;
  background: rgba(163, 53, 43, .3); z-index: -1;
}
.hero__lead { color: rgba(255, 255, 255, .78); font-size: 16.5px; max-width: 46ch; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.hero__stats { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid rgba(255, 255, 255, .16); padding-top: 22px; }
.hero__stat { padding-right: 34px; margin-right: 34px; border-right: 1px solid rgba(255, 255, 255, .16); }
.hero__stat:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero__stat b { display: block; font-family: var(--font-num); font-size: 30px; color: #fff; line-height: 1.1; }
.hero__stat span { font-size: 12.5px; color: rgba(255, 255, 255, .58); letter-spacing: .1em; }

.hero__card { position: relative; }
.hero__figure {
  position: relative; border: 1px solid rgba(255, 255, 255, .2); background: var(--paper-2);
  padding: 10px 10px 0;
}
.hero__figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: top center; }
.hero__stamp {
  position: absolute; right: -22px; bottom: -22px; width: 108px; height: 108px;
  opacity: .9; filter: drop-shadow(0 8px 18px rgba(0, 0, 0, .35));
}
.hero__plate {
  position: absolute; left: -18px; top: 26px; background: var(--seal); color: #fff;
  padding: 12px 16px; font-size: 12px; line-height: 1.6; letter-spacing: .06em;
  max-width: 190px;    z-index: 10;
}
.hero__plate b { display: block; font-size: 14px; letter-spacing: .1em; }

.hero__bar { position: relative; z-index: 2; background: rgba(255, 255, 255, .05); border-top: 1px solid rgba(255, 255, 255, .12); }
.hero__bar-inner { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.hero__bar-item { display: flex; align-items: center; gap: 12px; padding: 16px 0; color: rgba(255, 255, 255, .8); font-size: 13.5px; }
.hero__bar-item + .hero__bar-item { padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, .12); }
.hero__bar-item svg { width: 18px; height: 18px; color: var(--seal); flex: none; }
.hero__bar-item b { color: #fff; font-weight: 700; }

/* ---------- 9. 分类信息 ---------- */
.cats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cat {
  background: var(--paper); padding: 34px 28px 30px; position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 12px; transition: background .25s ease, color .25s ease;
}

.cat__no { font-family: var(--font-num); font-size: 13px; letter-spacing: .18em; color: var(--ink-4); }
.cat__icon {
  width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid var(--line-2);
  color: var(--seal); border-radius: 2px; transition: .25s;
}
.cat__icon svg { width: 22px; height: 22px; }
.cat__title { font-family: var(--font-serif); font-size: 20px; color: var(--ink); }
.cat__desc { font-size: 14px; color: inherit; opacity: .78; margin: 0; flex: 1; }
.cat__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.cat__tags span { font-size: 12px; color: var(--ink-3); border: 1px solid var(--line); padding: 3px 9px; border-radius: 2px; }
.cat__more { font-size: 13px; color: var(--seal); display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; }
.cat__more svg { width: 15px; height: 15px; }

.cat__list { margin: 0 0 14px; padding-left: 20px; font-size: 15px; line-height: 1.85; color: var(--ink-3); }
.cat__list li { list-style: disc; margin-bottom: 7px; }
.cat .btn--ghost { align-self: flex-start; margin-top: 16px; }


/* ---------- 10. 带缩略图文章列表 ---------- */
.posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px 30px; }
.post { display: flex; flex-direction: column; background: var(--paper); }
.post__media { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--paper-2); }
.post__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .5s ease; }
.post:hover .post__media img { transform: scale(1.05); }
.post__cat {
  position: absolute; left: 0; top: 0; background: var(--seal); color: #fff;
  font-size: 12px; padding: 5px 12px; letter-spacing: .08em;
}
.post__body { padding-top: 16px; display: flex; flex-direction: column; gap: 10px; flex: 1;padding-left: 10px; }
.post__title { font-family: var(--font-serif); font-size: 18.5px; line-height: 1.5; }
.post__title a { color: var(--ink); }
.post:hover .post__title a { color: var(--seal); }
.post__excerpt { font-size: 14px; color: var(--ink-3); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post__meta { display: flex; align-items: center; gap: 14px; font-size: 12.5px; color: var(--ink-4); margin-top: auto; padding-top: 6px; }
.post__meta span { display: inline-flex; align-items: center; gap: 5px; }
.post__meta svg { width: 13px; height: 13px; }

/* featured (首篇大图) */
.posts--feature { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.post--lead { grid-column: span 2; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 30px; align-items: center; }
.post--lead .post__media img { aspect-ratio: 16 / 10; }
.post--lead .post__title { font-size: clamp(21px, 2.4vw, 28px); }

/* ---------- 11. 无缩略图文章列表（双列） ---------- */
.list-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 44px; }
.list-item { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.list-item__date {
  border: 1px solid var(--line-2); text-align: center; padding: 6px 0; height: fit-content;
  border-radius: 2px; transition: .25s;
}
.list-item__date b { display: block; font-family: var(--font-num); font-size: 22px; line-height: 1.1; color: var(--ink); }
.list-item__date span { font-size: 11px; color: var(--ink-4); letter-spacing: .06em; }
.list-item:hover .list-item__date { background: var(--seal); border-color: var(--seal); }
.list-item:hover .list-item__date b, .list-item:hover .list-item__date span { color: #fff; }
.list-item__title { font-family: var(--font-serif); font-size: 17px; line-height: 1.55; }
.list-item__title a { color: var(--ink); }
.list-item:hover .list-item__title a { color: var(--seal); }
.list-item__meta { font-size: 12.5px; color: var(--ink-4); margin-top: 6px; display: flex; gap: 12px; flex-wrap: wrap; }

/* 三列纯文字列表 */
.list-tri { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }

/* 编号列表（侧栏通用） */
.list-item__no { font-family: var(--font-num); font-size: 18px; color: var(--line-2); line-height: 1.5; min-width: 26px; }
.rank-list li { padding: 14px 0; }
.rank-list a::before { display: none; }
.rank-list li:first-child .list-item__no { color: var(--seal); }
.rank-list .list-item__title { font-size: 15px; font-family: var(--font-sans); line-height: 1.6; color: var(--ink-2); }
.rank-list a:hover .list-item__title { color: var(--seal); }

/* ---------- 12. 服务流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 26px; border-top: 2px solid var(--ink); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-num); font-size: 15px; color: var(--seal); letter-spacing: .1em;
}
.step h3 { font-size: 17px; margin: 8px 0 8px; font-family: var(--font-serif); }
.step p { font-size: 14px; color: var(--ink-3); margin: 0; }

/* ---------- 13. FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  width: 100%; background: transparent; border: 0; text-align: left; padding: 22px 44px 22px 0;
  font-size: 16.5px; font-weight: 700; color: var(--ink); position: relative; font-family: var(--font-serif);
}
.faq__q::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px;
  border-right: 2px solid var(--seal); border-bottom: 2px solid var(--seal);
  transform: translateY(-70%) rotate(45deg); transition: transform .25s ease;
}
.faq__item.is-open .faq__q::after { transform: translateY(-30%) rotate(225deg); }
.faq__item.is-open .faq__q { color: var(--seal); }
.faq__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a > div { overflow: hidden; }
.faq__a p { padding-bottom: 22px; margin: 0; font-size: 15px; color: var(--ink-3); max-width: 78ch; }

/* ---------- 14. 表单模块 ---------- */
.consult { background: var(--ink); color: rgba(255, 255, 255, .8);padding: 0 18px; }
.consult__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 60px; padding: 82px 0; }
.consult .kicker { color: #fff; opacity: .75; }
.consult .kicker::before { background: var(--seal); }
.consult h2 { font-family: var(--font-serif); color: #fff; font-size: clamp(25px, 3vw, 34px); margin: 16px 0 14px; }
.consult__desc { color: rgba(255, 255, 255, .62); font-size: 15px; margin-bottom: 30px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13px; letter-spacing: .08em; }
.field label i { color: var(--seal); font-style: normal; }
.field input, .field select, .field textarea {
   border: 1px solid rgba(255, 255, 255, .18);
   padding: 12px 14px; border-radius: 2px; width: 100%;
  transition: border-color .2s, background .2s;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, rgba(255,255,255,.6) 50%), linear-gradient(135deg, rgba(255,255,255,.6) 50%, transparent 50%); background-position: calc(100% - 18px) 20px, calc(100% - 13px) 20px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.field select option { color: var(--ink); }
.field textarea { resize: vertical; min-height: 108px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(255, 255, 255, .34); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--seal); background: rgba(255, 255, 255, .1); outline: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #e0705f; }
.field__error { font-size: 12px; color: #e89283; min-height: 0; }
.form-grid--light .field__error { color: var(--seal); }
.form-grid--light .field label i { color: var(--seal); }
.agree { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: rgba(255, 255, 255, .6); }
.agree input { width: 16px; height: 16px; margin-top: 3px; flex: none; accent-color: var(--seal); }
.form-msg { grid-column: 1 / -1; font-size: 14px; padding: 12px 14px; border-radius: 2px; display: none; }
.form-msg.is-ok { display: block; background: rgba(47, 93, 82, .35); border: 1px solid var(--jade); color: #cfe6df; }
.form-msg.is-err { display: block; background: rgba(163, 53, 43, .25); border: 1px solid var(--seal); color: #f3cfc9; }

.consult__info { border-left: 1px solid rgba(255, 255, 255, .14); padding-left: 48px; display: flex; flex-direction: column; gap: 26px; }
.info-block { display: flex; gap: 14px; }
.info-block__ico { width: 38px; height: 38px; flex: none; display: grid; place-items: center; border: 1px solid rgba(255, 255, 255, .22); color: #fff; border-radius: 2px; }
.info-block__ico svg { width: 18px; height: 18px; }
.info-block__txt strong { display: block; color: #fff; font-size: 15px; font-weight: 700; }
.info-block__txt span, .info-block__txt a { font-size: 14px; }
.info-block__txt a:hover { color: #fff; }
.qrbox { display: flex; gap: 16px; align-items: center; border: 1px dashed rgba(255, 255, 255, .24); padding: 16px; }
.qrbox img { width: 92px; height: 92px; flex: none; background: #fff; padding: 4px; }
.qrbox p { margin: 0; font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.qrbox strong { color: #fff; display: block; margin-bottom: 4px; font-size: 15px; }
.promise { display: grid; gap: 10px; }
.promise li { display: flex; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .68); }
.promise svg { width: 16px; height: 16px; color: var(--seal); flex: none; margin-top: 5px; }

/* ---------- 15. 友情链接 ---------- */
.links { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.links a {
  background: var(--paper); padding: 16px 10px; text-align: center; font-size: 13.5px;
  color: var(--ink-3); transition: .22s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.links a:hover { background: var(--ink); color: #fff; }

/* ---------- 16. Footer ---------- */
.footer { background: var(--ink); color: rgba(255, 255, 255, .62); font-size: 14px; }
.footer__top { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 44px; padding: 66px 0 44px; }
.footer__title { color: #fff; font-size: 15px; letter-spacing: .1em; margin-bottom: 18px; font-weight: 700; }
.footer__about p { max-width: 40ch; }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer ul li { padding: 6px 0; }
.footer ul a:hover { color: #fff; }
.footer__contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer__contact svg { width: 15px; height: 15px; color: var(--seal); flex: none; margin-top: 5px; }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding: 20px 0; font-size: 13px; }
.footer__bottom-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.footer__bottom a:hover { color: #fff; }
.footer__note { color: rgba(255, 255, 255, .38); font-size: 12.5px; }

/* ---------- 17. 内页 banner + 面包屑 ---------- */
.page-banner {
  position: relative; background: var(--ink); color: #fff; overflow: hidden;
  background-image: url("../img/page-banner.svg"); background-size: cover; background-position: center;
}
.page-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(22, 24, 26, .95), rgba(22, 24, 26, .6)); }
.page-banner__inner { position: relative; z-index: 2; padding: 54px 0 46px; }
.page-banner h1, .page-banner__title {
  font-family: var(--font-serif); color: #fff; font-weight: 700; line-height: 1.28;
  font-size: clamp(26px, 3.6vw, 40px); margin: 12px 0 12px;
}
.page-banner p { color: rgba(255, 255, 255, .66); margin: 0; max-width: 60ch; font-size: 15px; }
.crumbs { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .5); }
.crumbs a:hover { color: #fff; }
.crumbs svg { width: 13px; height: 13px; opacity: .6; }
.crumbs .current { color: rgba(255, 255, 255, .82); }

/* ---------- 18. 文章列表页 ---------- */
.archive { display: grid; grid-template-columns: minmax(0, 1fr) 316px; gap: 56px; padding: 64px 0 88px; align-items: start; }
.filter-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 0 26px; border-bottom: 1px solid var(--line); margin-bottom: 36px; }
.filter-bar__label { font-size: 13px; color: var(--ink-4); letter-spacing: .1em; margin-right: 6px; }
.chip {
  border: 1px solid var(--line-2); background: transparent; padding: 7px 16px; font-size: 14px;
  color: var(--ink-2); border-radius: 2px; transition: .2s;
}
.chip:hover { border-color: var(--ink); }
.chip.is-active { background: var(--seal); border-color: var(--seal); color: #fff; }
.archive__count { margin-left: auto; font-size: 13px; color: var(--ink-4); }

.pager { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 54px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 38px; height: 38px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-2); font-size: 14px; border-radius: 2px; color: var(--ink-2);
}
.pager a:hover { border-color: var(--seal); color: var(--seal); }
.pager .is-current { background: var(--ink); border-color: var(--ink); color: #fff; }
.pager .is-disabled { opacity: .4; }

/* 侧栏 */
.side { display: grid; gap: 26px; position: sticky; top: calc(var(--header-h) + 20px); }
.widget { border: 1px solid var(--line); background: var(--paper); padding: 24px 22px; }
.widget__title {
  font-family: var(--font-serif); font-size: 17px; color: var(--ink); padding-bottom: 12px;
  border-bottom: 1px solid var(--line); margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}
.widget__title::before { content: ""; width: 3px; height: 16px; background: var(--seal); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { font-size: 13px; border: 1px solid var(--line-2); padding: 5px 11px; color: var(--ink-3); border-radius: 2px; }
.tag-cloud a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.widget--cta { background: var(--ink); color: rgba(255, 255, 255, .7); border-color: var(--ink); }
.widget--cta .widget__title { color: #fff; border-color: rgba(255, 255, 255, .16); }
.widget--cta p { font-size: 13.5px; }
.widget--cta .btn { margin-top: 6px; }
.mini-search { display: flex; border: 1px solid var(--line-2); }
.mini-search input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 10px 12px; font-size: 14px; }
.mini-search button { border: 0; border-left: 1px solid var(--line-2); background: transparent; width: 44px; color: var(--ink-3); display: grid; place-items: center; }
.mini-search button:hover { background: var(--seal); color: #fff; }
.mini-search svg { width: 16px; height: 16px; }

/* ---------- 19. 文章页 ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 316px; gap: 56px; padding: 56px 0 40px; align-items: start; }
.article { min-width: 0; }
.article__head { border-bottom: 1px solid var(--line); padding-bottom: 22px; margin-bottom: 26px; }
.article__meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--ink-4); margin-top: 16px; }
.article__meta span { display: inline-flex; align-items: center; gap: 6px; }
.article__meta svg { width: 14px; height: 14px; }
.article h1 { font-family: var(--font-serif); font-size: clamp(25px, 3.4vw, 36px); line-height: 1.35; }
.article__lead {
  font-size: 17px; color: var(--ink-3); border-left: 3px solid var(--seal);
  padding: 4px 0 4px 18px; margin: 26px 0 30px; background: linear-gradient(90deg, rgba(163, 53, 43, .05), transparent 70%);
}
.article__body { font-size: 16.5px; line-height: 1.95; color: #2f353a; }
.article__body h2 {
  font-family: var(--font-serif); font-size: 22px; margin: 40px 0 16px; padding-left: 14px;
  border-left: 4px solid var(--seal); line-height: 1.45;
}
.article__body h3 { font-size: 18px; margin: 28px 0 12px; color: var(--ink); }
.article__body p { margin: 0 0 18px; }
.article__body ul, .article__body ol { margin: 0 0 20px; padding-left: 22px; }
.article__body ul li { list-style: disc; margin-bottom: 8px; }
.article__body ol li { list-style: decimal; margin-bottom: 8px; }
.article__body a { color: var(--seal); border-bottom: 1px solid rgba(163, 53, 43, .35); }
.article__body a:hover { border-color: var(--seal); }
.article__body blockquote {
  margin: 26px 0; padding: 20px 24px; background: var(--paper-2);
  border: 1px solid var(--line); color: var(--ink-2); font-size: 15.5px;
}
.article__body blockquote p:last-child { margin: 0; }
.article__body table { margin: 24px 0; font-size: 14.5px; display: block; overflow-x: auto; white-space: nowrap; }
.article__body th, .article__body td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.article__body th { background: var(--paper-2); color: var(--ink); }
.article__body strong { color: var(--ink); }
.article__tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 34px 0 0; padding-top: 22px; border-top: 1px solid var(--line); font-size: 13px; }
.article__tags a { border: 1px solid var(--line-2); padding: 5px 12px; color: var(--ink-3); border-radius: 2px; }
.article__tags a:hover { background: var(--ink); color: #fff; }
.article__share { display: flex; align-items: center; gap: 12px; margin-top: 18px; font-size: 13px; color: var(--ink-4); }
.article__share button, .article__share .share-btn {
  width: 34px; height: 34px; border: 1px solid var(--line-2); background: transparent;
  display: grid; place-items: center; color: var(--ink-3); border-radius: 2px;
}
.article__share button:hover, .article__share .share-btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.article__share svg { width: 16px; height: 16px; }
.article__disclaimer {
  margin: 30px 0 0; padding: 16px 18px; font-size: 13px; color: var(--ink-4);
  background: var(--paper-2); border: 1px dashed var(--line-2);
}

.author-card { display: flex; gap: 18px; border: 1px solid var(--line); padding: 22px; margin: 34px 0 0; background: var(--paper); }
.author-card img { width: 76px; height: 76px; flex: none; object-fit: cover; border-radius: 2px; }
.author-card h3 { font-size: 17px; margin-bottom: 6px; }
.author-card p { font-size: 14px; color: var(--ink-3); margin: 0 0 10px; }
.author-card .btn { align-self: flex-start; }

.post-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 34px 0 0; }
.post-nav__item { background: var(--paper); padding: 20px 22px; min-width: 0; }
.post-nav__item:last-child { text-align: right; }
.post-nav__item span { display: block; font-size: 12px; color: var(--ink-4); letter-spacing: .1em; margin-bottom: 6px; }
.post-nav__item strong { font-family: var(--font-serif); font-size: 16px; font-weight: 700; line-height: 1.5; color: var(--ink); }
.post-nav__item:hover { background: var(--paper-2); }
.post-nav__item:hover strong { color: var(--seal); }
.post-nav__item.is-empty { opacity: .5; pointer-events: none; }

/* 侧栏文章列表（无缩略图） */
.side-list li { padding: 13px 0; border-bottom: 1px dashed var(--line); }
.side-list li:last-child { border-bottom: 0; }
.side-list a { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }
.side-list a::before { content: ""; width: 5px; height: 5px; background: var(--seal); flex: none; margin-top: 10px; }
.side-list a:hover { color: var(--seal); }
.side-list--date a { display: flex; justify-content: space-between; gap: 12px; }
.side-list--date time { font-size: 12.5px; color: var(--ink-4); flex: none; }

/* 目录 */
.toc { font-size: 14px; }
.toc li a { display: block; padding: 8px 0 8px 12px; border-left: 2px solid var(--line); color: var(--ink-3); }
.toc li a:hover, .toc li a.is-active { border-left-color: var(--seal); color: var(--seal); }

/* ---------- 20. 通用卡片页（简介/业务） ---------- */
.prose h2 { font-family: var(--font-serif); font-size: 24px; margin: 40px 0 16px; }
.prose h3 { font-size: 18px; margin: 26px 0 10px; }
.prose p, .prose li { color: var(--ink-2); }
.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 52px; align-items: start; }
.split--rev { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.figure-frame { border: 1px solid var(--line); padding: 10px; background: var(--paper-2); position: relative; }
.figure-frame img { width: 100%; }
.stats-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stats-row div { background: var(--paper); padding: 26px 18px; text-align: center; }
.stats-row b { display: block; font-family: var(--font-num); font-size: 30px; color: var(--seal); line-height: 1.2; }
.stats-row span { font-size: 13px; color: var(--ink-3); }

/* ---------- 21. 工具条 ---------- */
.back-top {
  position: fixed; right: 18px; bottom: 84px; z-index: 80; width: 44px; height: 44px;
  background: var(--ink); color: #fff; border: 0; border-radius: 2px; display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: .25s;
}
.back-top.is-show { opacity: 1; visibility: visible; transform: none; }
.back-top svg { width: 18px; height: 18px; }
.mobile-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 95; display: none;
  background: rgba(22, 24, 26, .97); border-top: 1px solid rgba(255, 255, 255, .12);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar__inner { display: grid; grid-template-columns: 1fr 1fr; }
.mobile-bar a {
  display: flex; align-items: center; justify-content: center; gap: 8px; height: 54px;
  color: #fff; font-size: 15px; font-weight: 700;
}
.mobile-bar a + a { background: var(--seal); }
.mobile-bar svg { width: 17px; height: 17px; }

/* ---------- 22. 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 23. 响应式 ---------- */
@media (max-width: 1080px) {
  .archive, .article-layout { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .side { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .links { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .consult__grid { gap: 44px; }
  .consult__info { padding-left: 34px; }
}
@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .container { padding: 0 18px; }
  .nav, .header__cta { display: none; }
  .nav-toggle { display: grid; margin-left: auto; }
	.hero{padding: 0 18px;}
  .hero__inner { grid-template-columns: minmax(0, 1fr); gap: 40px; padding: 56px 0 52px; }
  .hero__plate { left: 0; top: -14px; }
  .hero__stamp { right: 0; bottom: -16px; width: 88px; height: 88px; }
  .hero__figure img { object-position: top center; }
  .hero__bar-inner { grid-template-columns: minmax(0, 1fr); }
  .hero__bar-item + .hero__bar-item { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, .12); }
  .cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .posts, .posts--feature { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 22px; }
  .post--lead { grid-column: span 2; grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .list-cols, .list-tri { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .consult__grid { grid-template-columns: minmax(0, 1fr); padding: 60px 0; }
  .consult__info { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .14); padding-left: 0; padding-top: 34px; }
	.archive__main{padding: 0 18px;}
  .split, .split--rev { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .section { padding: 64px 0; }
	.article{padding: 0 18px;}
  .mobile-bar { display: block; }
  body { padding-bottom: 54px; }
  .back-top { bottom: 74px; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .topbar__inner { min-height: 32px; padding: 6px 0; }
  .topbar__note { display: none; }
  .topbar__list { gap: 14px; font-size: 12px; }
  .cats { grid-template-columns: minmax(0, 1fr); }
  .posts, .posts--feature { grid-template-columns: minmax(0, 1fr); }
  .post--lead { grid-column: span 1; }
  .links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__stats { gap: 0; }
  .hero__stat { padding-right: 18px; margin-right: 18px; }
  .hero__stat b { font-size: 24px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .side { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .post-nav { grid-template-columns: minmax(0, 1fr); }
  .post-nav__item:last-child { text-align: left; }
  .author-card { flex-direction: column; }
  .footer__top { grid-template-columns: minmax(0, 1fr); }
  .archive, .article-layout { padding: 44px 0 56px; }
  .pager a, .pager span { min-width: 34px; height: 34px; padding: 0 9px; font-size: 13px; }
  .article__body table { white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .header, .mobile-bar, .back-top, .consult, .footer, .side { display: none !important; }
  body { background: #fff; }
}