/* =========================================================
   大公税务师事务所 — 站点样式
   黑白版式 / 宋体标题 / 克制动效
   ========================================================= */

:root {
  --ink: #111111;
  --ink-soft: #2a2a2a;
  --muted: #737373;
  --muted-light: #9a9a9a;
  --line: #e4e4e4;
  --line-dark: #2c2c2c;
  --paper: #ffffff;
  --paper-alt: #f7f7f6;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans: "Inter", "Helvetica Neue", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --gutter: clamp(20px, 5vw, 56px);
  --maxw: 1320px;
  --ease: cubic-bezier(0.22, 0.65, 0.22, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

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

h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

::selection { background: #111; color: #fff; }

/* ---------- 基础排版 ---------- */

.serif { font-family: var(--serif); }

.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4.4vw, 58px);
  line-height: 1.28;
  letter-spacing: 0.02em;
}

.display-lg {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 6vw, 84px);
  line-height: 1.18;
  letter-spacing: 0.02em;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.9;
  color: var(--ink-soft);
}

.body-text {
  font-size: 15.5px;
  line-height: 2.05;
  color: #4a4a4a;
}

.body-text + .body-text { margin-top: 1.35em; }

.small-note {
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 布局 ---------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section { padding: clamp(72px, 10vw, 140px) 0; }
.section--tight { padding: clamp(56px, 7vw, 96px) 0; }
.section--alt { background: var(--paper-alt); }
.section--dark { background: #0c0c0c; color: #fff; }
.section--line { border-top: 1px solid var(--line); }

.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 32px;
}

.section-label::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.section--dark .section-label { color: rgba(255, 255, 255, 0.62); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(32px, 7vw, 110px);
  align-items: start;
}

.split--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.stack-lg > * + * { margin-top: 44px; }

/* ---------- 页头 ---------- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 88px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), height 0.4s var(--ease);
}

.site-header.is-solid {
  height: 72px;
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--line);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }

.brand img {
  height: 38px;
  width: auto;
  transition: height 0.4s var(--ease), filter 0.4s var(--ease);
}

.site-header.is-solid .brand img { height: 32px; }

.site-header.is-transparent .brand img { filter: invert(1) brightness(1.6); }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.6vw, 40px);
}

.nav a {
  position: relative;
  font-size: 13.5px;
  letter-spacing: 0.09em;
  color: var(--ink);
  padding: 6px 0;
  opacity: 0.78;
  transition: opacity 0.3s var(--ease);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}

.nav a:hover { opacity: 1; }
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { opacity: 1; }

.site-header.is-transparent .nav a { color: #fff; opacity: 0.82; }
.site-header.is-transparent .nav a:hover,
.site-header.is-transparent .nav a.is-active { opacity: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 26px;
  border: 1px solid var(--ink);
  font-size: 12.5px;
  letter-spacing: 0.13em;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}

.btn:hover { background: var(--ink); color: #fff; }

.btn--light { border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn--light:hover { background: #fff; color: #111; border-color: #fff; }

.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { background: #fff; color: var(--ink); }

.header-cta {
  flex-shrink: 0;
  padding: 11px 22px;
  border: 1px solid rgba(17, 17, 17, 0.55);
  font-size: 12px;
  letter-spacing: 0.14em;
  transition: all 0.35s var(--ease);
}

.header-cta:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.site-header.is-transparent .header-cta { border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.site-header.is-transparent .header-cta:hover { background: #fff; color: #111; border-color: #fff; }

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 0;
  background: transparent;
  padding: 0;
  position: relative;
  cursor: pointer;
}

.nav-toggle span {
  position: absolute;
  left: 10px; right: 10px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 26px; }

.site-header.is-transparent .nav-toggle span { background: #fff; }
body.nav-open .nav-toggle span { background: #fff; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

/* 移动端全屏菜单 */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: #0c0c0c;
  color: #fff;
  padding: 120px var(--gutter) 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}

body.nav-open .mobile-menu { opacity: 1; visibility: visible; }

.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }

.mobile-menu nav a {
  font-family: var(--serif);
  font-size: clamp(24px, 7vw, 34px);
  line-height: 1.9;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 8px 0;
}

.mobile-menu__foot {
  font-size: 13px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.04em;
}

/* ---------- 首页首屏 ---------- */

.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: flex-end;
  padding-top: 120px;
  padding-bottom: clamp(36px, 5vw, 64px);
  overflow: hidden;
  color: #fff;
  background: #111;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 18s var(--ease) forwards;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.18) 38%, rgba(0, 0, 0, 0.62) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 62%);
}

@keyframes heroZoom {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

.hero__inner { position: relative; z-index: 2; width: 100%; }

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 26px;
}

.hero__eyebrow::before {
  content: "";
  width: 44px; height: 1px;
  background: rgba(255, 255, 255, 0.55);
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 6.4vw, 86px);
  line-height: 1.16;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.18);
}

.hero__sub {
  margin-top: 28px;
  max-width: 560px;
  font-size: clamp(14.5px, 1.3vw, 16.5px);
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: 0.02em;
}

.hero__foot {
  margin-top: clamp(44px, 7vw, 88px);
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.66);
}

.hero__scroll { display: inline-flex; align-items: center; gap: 10px; }
.hero__scroll i {
  display: block;
  width: 1px; height: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0));
  animation: scrollHint 2.4s infinite;
}

@keyframes scrollHint {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(6px); opacity: 1; }
}

/* ---------- 内页页头 ---------- */

.page-head {
  padding-top: 172px;
  padding-bottom: clamp(44px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.page-head__crumb {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 26px;
}

.page-head__crumb span { margin: 0 8px; opacity: 0.5; }

.page-head h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.24;
  letter-spacing: 0.03em;
}

.page-head__meta {
  margin-top: 22px;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted);
}

/* ---------- 首页 关于 ---------- */

.about-home .display { margin-bottom: 0; }

.fact-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.fact__k {
  font-family: var(--serif);
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.fact__v {
  margin-top: 6px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 服务列表（首页） ---------- */

.svc-list { border-top: 1px solid var(--line); }

.svc-row {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) minmax(0, 1.1fr) 48px;
  gap: 24px;
  align-items: baseline;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.45s var(--ease), background 0.45s var(--ease), color 0.45s var(--ease);
}

.svc-row:hover { background: #0f0f0f; color: #fff; padding-left: 22px; padding-right: 22px; }

.svc-row__num {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.1em;
  transition: color 0.35s var(--ease);
}

.svc-row:hover .svc-row__num { color: rgba(255, 255, 255, 0.6); }

.svc-row__title {
  font-family: var(--serif);
  font-size: clamp(19px, 1.9vw, 25px);
  letter-spacing: 0.04em;
}

.svc-row__desc {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
  transition: color 0.35s var(--ease);
}

.svc-row:hover .svc-row__desc { color: rgba(255, 255, 255, 0.72); }

.svc-row__arrow {
  justify-self: end;
  font-size: 18px;
  color: var(--muted);
  transition: transform 0.45s var(--ease), color 0.35s var(--ease);
}

.svc-row:hover .svc-row__arrow { transform: translateX(6px); color: #fff; }

/* ---------- 跨境专长（深色区块） ---------- */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  margin-top: clamp(40px, 5vw, 64px);
  border: 1px solid var(--line-dark);
}

.cap {
  background: #0c0c0c;
  padding: clamp(28px, 3vw, 44px);
}

.cap__num {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.45);
}

.cap h3 {
  margin: 18px 0 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: 0.04em;
}

.cap ul { margin-top: 10px; }

.cap li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.66);
}

.cap li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.95em;
  width: 6px; height: 1px;
  background: rgba(255, 255, 255, 0.4);
}

.cap-foot {
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* ---------- 案例 ---------- */

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.4vw, 36px);
  margin-top: clamp(36px, 4vw, 56px);
}

.case-card { display: block; }

.case-card__media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #eee;
}

.case-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease);
}

.case-card:hover .case-card__media img { transform: scale(1.045); }

.case-card__tag {
  margin-top: 20px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.case-card h3 {
  margin-top: 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.case-card p {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 洞察 ---------- */

.post-list { border-top: 1px solid var(--line); }

.post-item {
  display: grid;
  grid-template-columns: 110px 120px minmax(0, 1fr) 40px;
  gap: 24px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
}

.post-item:hover { padding-left: 16px; padding-right: 16px; background: #fafafa; }

.post-item__date {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.post-item__cat {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 4px 10px;
  justify-self: start;
  white-space: nowrap;
}

.post-item h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.post-item__arrow {
  justify-self: end;
  color: var(--muted);
  transition: transform 0.4s var(--ease);
}

.post-item:hover .post-item__arrow { transform: translateX(5px); color: var(--ink); }

/* ---------- 全宽 CTA ---------- */

.cta-band {
  border-top: 1px solid var(--line);
  padding: clamp(64px, 8vw, 112px) 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

/* ---------- 内页通用区块 ---------- */

.quote {
  font-family: var(--serif);
  font-size: clamp(22px, 2.8vw, 36px);
  line-height: 1.6;
  letter-spacing: 0.04em;
  padding-left: clamp(20px, 3vw, 40px);
  border-left: 1px solid var(--ink);
}

.value-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 48px;
}

.value-item { background: #fff; padding: clamp(24px, 3vw, 40px); }
.value-item h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: 0.04em;
}
.value-item p { margin-top: 12px; font-size: 13.5px; line-height: 1.95; color: var(--muted); }

/* ---------- 服务页 ---------- */

.svc-block {
  display: grid;
  grid-template-columns: 120px minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(24px, 4vw, 64px);
  padding: clamp(40px, 5vw, 64px) 0;
  border-bottom: 1px solid var(--line);
}

.svc-block:first-of-type { border-top: 1px solid var(--line); }

.svc-block__num {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 40px);
  color: #d8d8d8;
  line-height: 1;
  letter-spacing: 0.04em;
}

.svc-block h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.svc-block__sub { margin-top: 14px; font-size: 13.5px; color: var(--muted); line-height: 1.9; }

.svc-block__body > p { margin-bottom: 22px; }

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
}

.check-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.85;
  color: #3d3d3d;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.55em;
  width: 7px; height: 1px;
  background: var(--ink);
}

/* ---------- 团队 ---------- */

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px);
}

.member {
  display: block;
  border-top: 1px solid var(--ink);
  padding-top: 22px;
}

.member__media {
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: #f0f0f0;
  margin-bottom: 24px;
}

.member__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease);
}

.member:hover .member__media img { transform: scale(1.04); }

.member__role {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

.member h2 {
  margin-top: 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: 0.06em;
}

.member__titles {
  margin-top: 12px;
  font-size: 13px;
  color: #444;
  line-height: 1.9;
}

.member__more {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.member:hover .member__more { color: var(--ink); }

/* 团队详情 */
.member-hero {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  gap: clamp(32px, 6vw, 96px);
  padding-top: 160px;
  padding-bottom: clamp(48px, 7vw, 96px);
  border-bottom: 1px solid var(--line);
}

.member-hero__media { aspect-ratio: 4 / 5; overflow: hidden; background: #f0f0f0; }
.member-hero__media img { width: 100%; height: 100%; object-fit: cover; }

.member-hero__body { align-self: center; }

.member-hero__role {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.member-hero h1 {
  margin-top: 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: 0.06em;
}

.member-hero__titles {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 2;
  color: #444;
}

.member-body { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: clamp(24px, 5vw, 72px); }

.member-body__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  padding-top: 6px;
}

/* ---------- 洞察页 / 文章 ---------- */

.filter-bar {
  display: flex;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}

.filter-bar button {
  position: relative;
  background: none;
  border: 0;
  padding: 0 0 16px;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.3s var(--ease);
}

.filter-bar button::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transition: transform 0.4s var(--ease);
}

.filter-bar button.is-active { color: var(--ink); }
.filter-bar button.is-active::after { transform: scaleX(1); }

.article-head {
  padding-top: 168px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}

.article-head h1 {
  max-width: 900px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.45;
  letter-spacing: 0.03em;
  margin-top: 22px;
}

.article-meta {
  margin-top: 24px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.article-body { max-width: 760px; margin: 0 auto; padding: clamp(48px, 6vw, 80px) 0; }

.article-body p {
  font-size: 16px;
  line-height: 2.1;
  color: #333;
  margin-bottom: 1.5em;
}

.article-body h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(21px, 2.2vw, 26px);
  letter-spacing: 0.04em;
  margin: 2.2em 0 0.9em;
}

.article-body ul { margin: 0 0 1.6em; }

.article-body ul li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 2;
  color: #333;
  margin-bottom: 8px;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 1em;
  width: 8px; height: 1px;
  background: var(--ink);
}

.article-foot {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 联系页 ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(40px, 7vw, 100px);
}

.contact-item {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.contact-item__k {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 12px;
}

.contact-item__v {
  font-family: var(--serif);
  font-size: clamp(18px, 1.8vw, 23px);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.contact-item__v a:hover { text-decoration: underline; text-underline-offset: 5px; }

.contact-note { margin-top: 10px; font-size: 12.5px; color: var(--muted); line-height: 1.9; }

.contact-qr {
  margin-top: 20px;
  width: 132px; height: 132px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted-light);
  text-align: center;
  padding: 12px;
  line-height: 1.7;
}

.form { margin-top: 8px; }

.field { border-bottom: 1px solid var(--line); padding: 18px 0 12px; }

.field label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 8px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 0;
  background: transparent;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  padding: 0;
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
}

.field textarea { resize: vertical; min-height: 104px; }

.field input::placeholder,
.field textarea::placeholder { color: #b3b3b3; }

.field select { cursor: pointer; }

.form__foot {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.form__msg { font-size: 12.5px; color: var(--muted); }

.map-block {
  margin-top: 12px;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(0deg, rgba(255,255,255,0.94), rgba(255,255,255,0.94)),
    repeating-linear-gradient(0deg, #cfcfcf 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, #cfcfcf 0 1px, transparent 1px 44px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
}

.map-block__t {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.08em;
}

.map-block__s { margin-top: 8px; font-size: 12.5px; color: var(--muted); }

.map-block a {
  margin-top: 16px;
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}

/* ---------- 页脚 ---------- */

.site-footer {
  background: #0c0c0c;
  color: #fff;
  padding: clamp(56px, 7vw, 88px) 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  gap: clamp(32px, 6vw, 80px);
  padding-bottom: clamp(40px, 5vw, 64px);
}

.footer-brand img {
  height: 44px;
  width: auto;
  filter: invert(1) brightness(1.7);
  opacity: 0.94;
}

.footer-slogan {
  margin-top: 26px;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.32em;
  color: rgba(255, 255, 255, 0.78);
}

.footer-desc {
  margin-top: 16px;
  max-width: 360px;
  font-size: 13px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.5);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-col h4 {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 18px;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a,
.footer-col p {
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.78);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.42);
}

/* ---------- 滚动进入动画 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.reveal.is-in { opacity: 1; transform: none; }

.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .nav { gap: 20px; }
  .svc-block { grid-template-columns: 70px minmax(0, 4fr) minmax(0, 6fr); }
  .post-item { grid-template-columns: 92px 110px minmax(0, 1fr) 28px; }
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nav, .header-cta { display: none; }
  .nav-toggle { display: block; }

  .site-header { height: 72px; }
  .brand img { height: 32px; }

  .split,
  .split--even,
  .contact-grid,
  .team-grid,
  .case-grid,
  .value-list,
  .cap-grid,
  .fact-row,
  .check-list,
  .footer-cols { grid-template-columns: 1fr; }

  .value-list, .cap-grid { gap: 1px; }

  .svc-row {
    grid-template-columns: 44px minmax(0, 1fr) 28px;
    gap: 14px;
    padding: 22px 0;
  }
  .svc-row__desc { display: none; }
  .svc-row:hover { padding-left: 0; padding-right: 0; background: transparent; color: var(--ink); }
  .svc-row:hover .svc-row__desc { color: var(--muted); }
  .svc-row:hover .svc-row__num { color: var(--muted); }
  .svc-row:hover .svc-row__arrow { color: var(--muted); transform: none; }

  .svc-block { grid-template-columns: 1fr; gap: 18px; }
  .svc-block__num { font-size: 22px; }

  .post-item {
    grid-template-columns: minmax(0, 1fr) 24px;
    gap: 6px 16px;
    padding: 20px 0;
  }
  .post-item__date { grid-column: 1; grid-row: 1; }
  .post-item__cat { grid-column: 1; grid-row: 2; justify-self: start; margin-bottom: 6px; }
  .post-item h3 { grid-column: 1; grid-row: 3; }
  .post-item__arrow { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .post-item:hover { padding-left: 0; padding-right: 0; background: transparent; }

  .member-hero { grid-template-columns: 1fr; padding-top: 120px; gap: 32px; }
  .member-hero__media { max-width: 360px; }
  .member-body { grid-template-columns: 1fr; gap: 12px; }

  .article-head { padding-top: 124px; }
  .page-head { padding-top: 124px; }

  .hero__foot { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 600px) {
  .section { padding: 60px 0; }
  .hero { min-height: 88vh; }
  .hero__sub { font-size: 14px; }
  .filter-bar { gap: 18px; overflow-x: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- WordPress：分页 / 表单状态 / 内容图片 ---------- */

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.pagination .dots { border: 0; }

.field--hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__msg--ok { color: #1a7f47; }
.form__msg--err { color: #b3261e; }

.article-body img {
  max-width: 100%;
  height: auto;
}

.article-body a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-body blockquote {
  margin: 0 0 1.6em;
  padding-left: 20px;
  border-left: 2px solid var(--ink);
  color: var(--ink-soft);
}

/* ---------- 首图 / 二维码 / 关注我们 ---------- */
.hero__media picture {
  display: block;
  width: 100%;
  height: 100%;
}

.contact-qr--filled {
  padding: 10px;
  background: #fff;
}

.contact-qr--filled img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.social-card {
  background: var(--ink, #111);
  color: #fff;
  padding: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.social-card__title {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: 0.08em;
  color: #fff;
}

.social-card__sub {
  margin-top: 14px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  line-height: 2;
  color: rgba(255, 255, 255, 0.5);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 56px);
}

.platform-title {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.1em;
  color: #fff;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.platform-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14.5px;
  color: #fff;
}

.platform-line em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 860px) {
  .social-card {
    grid-template-columns: 1fr;
  }

  .platform-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}