/* ==========================================================================
   YUROVIA 水墨云儒 · 主样式
   色彩令牌严格取自 VI 3.0 (brandspec3.py)
   ========================================================================== */

:root {
  --indigo:   #0E2A47;   /* 云墨藏青 · 主色 */
  --indigo-d: #071A2C;   /* 深云墨 · 页脚 */
  --indigo-l: #1B3E63;   /* 浅云墨 · 层级 */
  --vermilion:#C8322B;   /* 朱砂 · 强调 */
  --vermilion-d:#A8271F;
  --paper:    #FFFFFF;   /* 宣纸白 */
  --paper-w:  #FAF8F3;   /* 暖白 · 页面底 */
  --ink-grey: #5A6B7E;   /* 辅助文字 */
  --ink-grey-l:#8A8578;  /* 更淡的辅助 */
  --line-grey:#DDE4EC;   /* 分割线 */
  --on-dark:  #FAF8F3;
  --on-dark-2:#B9C6D4;
  --on-dark-3:#8FA3B8;
  --logo-grey:#B5AE9C;

  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --sans:  "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --brush: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;

  --maxw: 1440px;
  --pad: 120px;
}

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

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

body {
  margin: 0;
  background: var(--paper-w);
  color: var(--ink-grey);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul { padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }

.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(1px,1px,1px,1px);
  white-space: nowrap;
}

/* ----------------------------------------------------------- 布局容器 */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* 区块通用 */
.section { position: relative; overflow: hidden; }
.section--paper  { background: var(--paper-w); }
.section--white  { background: var(--paper); }
.section--indigo { background: var(--indigo); }

.section__inner { position: relative; z-index: 2; }

/* 书法水印大字 */
.brush-mark {
  position: absolute;
  font-family: var(--brush);
  line-height: 1;
  color: var(--indigo);
  opacity: .05;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  font-weight: 400;
}
.section--indigo .brush-mark { color: var(--on-dark); opacity: .06; }

/* --------------------------------------------- 小标题（朱砂短线 + 文字） */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .28em;
  color: var(--vermilion);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 3px; height: 18px;
  background: var(--vermilion);
  flex: none;
}

.section-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 42px;
  letter-spacing: .08em;
  line-height: 1.4;
  color: var(--indigo);
  margin-top: 22px;
}
.section--indigo .section-title { color: var(--on-dark); }

.lede {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--ink-grey);
}
.section--indigo .lede { color: var(--on-dark-2); }

/* -------------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .18em;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.btn--primary { background: var(--indigo); color: var(--on-dark); }
.btn--primary:hover { background: var(--indigo-l); }
.btn--vermillion { background: var(--vermilion); color: var(--on-dark); }
.btn--vermillion:hover { background: var(--vermilion-d); }
.btn--ghost {
  background: transparent;
  color: var(--indigo);
  border: 1px solid var(--indigo);
}
.btn--ghost:hover { background: var(--indigo); color: var(--on-dark); }

/* ======================================================== 页头 Header */
.site-header {
  background: var(--paper-w);
  position: relative;
  z-index: 20;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 26px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
}
.brand__mark { width: 52px; height: 52px; flex: none; }
.brand__mark img,
.brand__mark svg { width: 100%; height: 100%; object-fit: contain; }
.brand__text { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.brand__cn {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: .1em;
  margin-right: -.1em; /* 抵消尾字间距，保证光学居中 */
  color: var(--indigo);
  line-height: 1.2;
}
.brand__en {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .3em;
  margin-right: -.3em; /* 抵消尾字间距，与中文行光学居中 */
  color: var(--ink-grey-l);
  line-height: 1;
}

.nav { flex: 1; }
.nav ul {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 44px;
}
.nav a {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink-grey);
  transition: color .2s ease;
}
.nav a:hover { color: var(--indigo); }
.nav .current-menu-item > a,
.nav .current_page_item > a {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--indigo);
}

.header-cta { flex: none; }
.header-cta .btn { padding: 13px 26px; font-size: 15px; }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--indigo);
  margin: 5px 0;
  transition: transform .3s ease, opacity .3s ease;
}

/* ========================================================== Hero 区 */
.hero {
  background: var(--paper-w);
  padding: 96px 0 108px;
  text-align: center;
}
.hero .brush-mark {
  top: -40px; left: 50%;
  transform: translateX(-50%);
  font-size: 420px;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  letter-spacing: .22em;
  color: var(--ink-grey);
  margin-bottom: 34px;
}
.hero__eyebrow::before {
  content: "";
  width: 3px; height: 20px;
  background: var(--vermilion);
  flex: none;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 76px;
  letter-spacing: .08em;
  line-height: 1.3;
  color: var(--indigo);
}
.hero__sub {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 20px;
  letter-spacing: .05em;
  color: var(--ink-grey-l);
  margin-top: 20px;
}
.hero__desc {
  max-width: 720px;
  margin: 30px auto 0;
  font-size: 18px;
  font-weight: 300;
  line-height: 1.95;
  color: var(--ink-grey);
}
.hero__actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 48px;
}
.hero__seal {
  width: 56px; height: 56px;
  margin: 60px auto 0;
  background: var(--vermilion);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.15;
  text-align: center;
}

/* ===================================================== 核心服务卡片 */
.services { padding: 108px 0 120px; }
.services .brush-mark { top: 10px; right: -60px; font-size: 300px; }
.services__head { margin-bottom: 64px; }
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.svc-card {
  background: var(--paper-w);
  padding: 44px 34px 46px;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px rgba(14,42,71,.09);
}
.svc-card--dark { background: var(--indigo); }
.svc-card__num {
  font-family: var(--brush);
  font-size: 30px;
  color: var(--vermilion);
  line-height: 1;
}
.svc-card__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: .05em;
  color: var(--indigo);
  margin-top: 22px;
}
.svc-card--dark .svc-card__title { color: var(--on-dark); }
.svc-card__rule {
  width: 32px; height: 2px;
  background: var(--indigo);
  margin: 20px 0;
  flex: none;
}
.svc-card--dark .svc-card__rule { background: var(--vermilion); }
.svc-card__desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-grey);
}
.svc-card--dark .svc-card__desc { color: var(--on-dark-2); }

/* ======================================================== 合作流程 */
.process { padding: 108px 0 120px; }
.process .brush-mark { top: 0; left: -70px; font-size: 360px; }
.process__head { margin-bottom: 64px; }
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.step__top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.step__num {
  font-family: var(--brush);
  font-size: 22px;
  color: var(--vermilion);
  flex: none;
  line-height: 1;
}
.step__line {
  flex: 1;
  height: 1px;
  background: var(--indigo-l);
}
.step__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: .05em;
  color: var(--on-dark);
}
.step__desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark-2);
  margin-top: 16px;
}

/* ====================================================== 数据与信任 */
.trust { padding: 108px 0 120px; }
.trust .brush-mark { top: 0; left: -50px; font-size: 320px; }
.trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 72px;
}
.stat__num {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 54px;
  line-height: 1.1;
  color: var(--indigo);
}
.stat__num--accent { color: var(--vermilion); }
.stat__label {
  font-size: 15px;
  letter-spacing: .12em;
  color: var(--ink-grey);
  margin-top: 12px;
}
.quote {
  background: var(--paper);
  padding: 56px 64px;
}
.quote__text {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 2;
  letter-spacing: .03em;
  color: var(--indigo);
}
.quote__author {
  font-size: 14px;
  color: var(--ink-grey-l);
  margin-top: 24px;
}

/* ====================================================== 底部 CTA */
.cta-band {
  background: var(--indigo);
  padding: 104px 0;
  text-align: center;
}
.cta-band .brush-mark {
  top: -30px; left: 50%;
  transform: translateX(-50%);
  font-size: 300px;
}
.cta-band__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 40px;
  letter-spacing: .1em;
  color: var(--on-dark);
}
.cta-band__desc {
  font-size: 17px;
  color: var(--on-dark-2);
  margin-top: 22px;
}
.cta-band .btn { margin-top: 40px; }

/* ========================================================= 页脚 Footer */
.site-footer {
  background: var(--indigo-d);
  padding: 84px 0 0;
  color: var(--on-dark-3);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr auto;
  gap: 48px;
  padding-bottom: 64px;
}
.footer__logo { width: 220px; height: auto; margin-bottom: 20px; }
.footer__slogan {
  font-size: 14px;
  line-height: 1.9;
  color: var(--on-dark-3);
  white-space: pre-line;
}
.footer__col h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .22em;
  color: var(--on-dark);
  margin-bottom: 20px;
}
.footer__col li { margin-bottom: 12px; }
.footer__col a,
.footer__col span {
  font-size: 14px;
  color: var(--on-dark-3);
  transition: color .2s ease;
}
.footer__col a:hover { color: var(--on-dark); }
.footer__seal {
  width: 64px; height: 64px;
  background: var(--vermilion);
  color: var(--on-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  text-align: center;
  align-self: flex-start;
}
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 26px 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 12px;
  color: var(--ink-grey);
}
.footer__lang { color: var(--on-dark-3); }

/* ======================================================= 内页 Hero */
.page-hero {
  background: var(--indigo);
  padding: 96px 0 100px;
  position: relative;
  overflow: hidden;
}
.page-hero .brush-mark { top: -70px; right: -40px; font-size: 280px; }
.page-hero__crumb {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--on-dark-3);
  margin-bottom: 26px;
}
.page-hero__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 52px;
  letter-spacing: .09em;
  line-height: 1.35;
  color: var(--on-dark);
}
.page-hero__desc {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--on-dark-2);
  margin-top: 24px;
  max-width: 860px;
}

/* ================================================== 服务页 · 列表 */
.svc-list { padding: 0; }
.svc-row {
  padding: 72px 0;
  background: var(--paper);
}
.svc-row:nth-child(odd) { background: var(--paper); }
.svc-row--dark { background: var(--indigo); }
.svc-row__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: start;
}
.svc-row__meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}
.svc-row__num {
  font-family: var(--brush);
  font-size: 26px;
  color: var(--vermilion);
  line-height: 1;
}
.svc-row__en {
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--ink-grey-l);
  text-transform: uppercase;
}
.svc-row--dark .svc-row__en { color: var(--on-dark-3); }
.svc-row__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: .06em;
  color: var(--indigo);
  margin-bottom: 24px;
}
.svc-row--dark .svc-row__title { color: var(--on-dark); }
.svc-row__desc {
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-grey);
}
.svc-row--dark .svc-row__desc { color: var(--on-dark-2); }
.svc-row__points li {
  font-size: 15px;
  color: var(--indigo);
  padding: 12px 0;
  border-bottom: 1px solid var(--line-grey);
}
.svc-row__points li:first-child { padding-top: 0; }
.svc-row--dark .svc-row__points li {
  color: var(--on-dark);
  border-bottom-color: rgba(255,255,255,.14);
}

/* 服务页底部横幅 */
.mini-cta {
  background: var(--paper);
  padding: 72px 0;
}
.mini-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.mini-cta__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 28px;
  letter-spacing: .05em;
  color: var(--indigo);
}
.mini-cta__desc {
  font-size: 16px;
  color: var(--ink-grey);
  margin-top: 12px;
}

/* ================================================ 关于页 · 故事 */
.about-story { padding: 108px 0; }
.about-story__inner {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 96px;
  align-items: start;
}
.about-story__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 38px;
  letter-spacing: .05em;
  line-height: 1.5;
  color: var(--indigo);
  margin: 22px 0 28px;
}
.about-story__body {
  font-size: 16px;
  line-height: 2.05;
  color: var(--ink-grey);
}
.value-card {
  background: var(--paper);
  padding: 34px 38px;
  display: flex;
  align-items: flex-start;
  gap: 24px;
}
.value-card + .value-card { margin-top: 20px; }
.value-card--dark { background: var(--indigo); }
.value-card__glyph {
  font-family: var(--brush);
  font-size: 30px;
  color: var(--vermilion);
  line-height: 1;
  flex: none;
  margin-top: 2px;
}
.value-card__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--indigo);
  margin-bottom: 10px;
}
.value-card--dark .value-card__title { color: var(--on-dark); }
.value-card__desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-grey);
}
.value-card--dark .value-card__desc { color: var(--on-dark-2); }

/* ============================================ 关于页 · 发展历程 */
.milestones { padding: 108px 0 120px; }
.milestones .brush-mark { top: 10px; right: -60px; font-size: 300px; }
.milestones__head { margin-bottom: 60px; }
.milestones__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.milestone {
  background: var(--paper-w);
  padding: 40px 32px 44px;
}
.milestone--dark { background: var(--indigo); }
.milestone__year {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  color: var(--vermilion);
  line-height: 1;
}
.milestone__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--indigo);
  margin: 20px 0 14px;
}
.milestone--dark .milestone__title { color: var(--on-dark); }
.milestone__desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-grey);
}
.milestone--dark .milestone__desc { color: var(--on-dark-2); }

/* ================================================ 联系页 · 主体 */
.contact-body { padding: 96px 0 110px; }
.contact-body__inner {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 80px;
  align-items: start;
}
.contact-item + .contact-item { margin-top: 44px; }
.contact-item__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .18em;
  color: var(--vermilion);
  margin-bottom: 14px;
}
.contact-item__label::before {
  content: "";
  width: 3px; height: 16px;
  background: var(--vermilion);
  flex: none;
}
.contact-item__value {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 22px;
  color: var(--indigo);
  line-height: 1.5;
}
.contact-item__value--sm { font-size: 18px; }
.contact-item__note {
  font-size: 14px;
  color: var(--ink-grey);
  margin-top: 8px;
}

/* =============================================== 联系页 · 表单 */
.contact-form {
  background: var(--paper);
  padding: 56px 60px 60px;
}
/* 蜜罐字段：人类不可见，机器人会填 */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}
.cf-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: .05em;
  color: var(--indigo);
  margin-bottom: 40px;
}
.cf-notice {
  padding: 16px 20px;
  margin-bottom: 28px;
  font-size: 14px;
  line-height: 1.6;
}
.cf-notice--ok { background: #EAF3EC; color: #1F6B3A; border: 1px solid #C4E0CC; }
.cf-notice--err { background: #FBEBEA; color: var(--vermilion-d); border: 1px solid #F0C9C6; }
.contact-form__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: .05em;
  color: var(--indigo);
  margin-bottom: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.field { margin-bottom: 28px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--ink-grey);
  margin-bottom: 10px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  background: var(--paper-w);
  border: 1px solid transparent;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--indigo);
  outline: none;
  transition: border-color .2s ease;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--vermilion);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--logo-grey); }
.field textarea { resize: vertical; min-height: 110px; }

.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 11px 22px;
  background: var(--paper-w);
  color: var(--ink-grey);
  font-size: 14px;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease;
}
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip:hover { background: #EFEBE2; }
.chip.is-active,
.chip input:checked ~ span { color: var(--on-dark); }
.chip:has(input:checked) {
  background: var(--indigo);
  color: var(--on-dark);
}

.contact-form .btn { width: 100%; padding: 18px; }

.form-note {
  font-size: 13px;
  color: var(--ink-grey-l);
  margin-top: 20px;
  text-align: center;
}
.form-success {
  background: #EAF3EA;
  border-left: 3px solid #4C8B4C;
  padding: 18px 22px;
  margin-bottom: 28px;
  font-size: 14px;
  color: #2F5A2F;
}
.form-error {
  background: #FBEAE9;
  border-left: 3px solid var(--vermilion);
  padding: 18px 22px;
  margin-bottom: 28px;
  font-size: 14px;
  color: var(--vermilion-d);
}

/* ============================================ 通用内容页（文章等） */
.entry { padding: 88px 0 104px; }
.entry__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 40px;
  letter-spacing: .05em;
  color: var(--indigo);
  margin-bottom: 32px;
}
.entry__body > * + * { margin-top: 22px; }
.entry__body h2 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--indigo);
  margin-top: 48px;
}
.entry__body h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--indigo);
  margin-top: 36px;
}
.entry__body a { color: var(--vermilion); text-decoration: underline; }
.entry__body ul { list-style: none; padding-left: 0; }
.entry__body ul li {
  position: relative;
  padding-left: 22px;
  margin-top: 10px;
}
.entry__body ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 6px; height: 6px;
  background: var(--vermilion);
}
.entry__body blockquote {
  border-left: 3px solid var(--vermilion);
  padding-left: 24px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--indigo);
}
.entry__body img { margin: 32px 0; }

/* ============================================================ 响应式 */
@media (max-width: 1280px) {
  :root { --pad: 64px; }
  .hero__title { font-size: 64px; }
  .services__grid, .process__grid, .trust__grid, .milestones__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__top { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 980px) {
  :root { --pad: 40px; }

  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper-w);
    border-top: 1px solid var(--line-grey);
    box-shadow: 0 16px 32px rgba(14,42,71,.08);
    display: none;
    padding: 16px 0 24px;
  }
  .nav.is-open { display: block; }
  .nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 var(--pad);
  }
  .nav li { width: 100%; }
  .nav a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--line-grey);
  }
  .nav-toggle { display: block; }
  .header-cta { display: none; }

  .hero { padding: 64px 0 76px; }
  .hero .brush-mark { font-size: 260px; top: -10px; }
  .hero__title { font-size: 40px; letter-spacing: .06em; }
  .hero__sub { font-size: 17px; }
  .hero__desc { font-size: 16px; }
  .hero__actions { flex-direction: column; align-items: stretch; }

  .section-title { font-size: 30px; }
  .page-hero { padding: 64px 0 68px; }
  .page-hero .brush-mark { font-size: 190px; }
  .page-hero__title { font-size: 32px; }
  .page-hero__desc { font-size: 16px; }

  .services, .process, .trust, .cta-band,
  .about-story, .milestones, .contact-body { padding: 64px 0 72px; }
  .services__grid, .process__grid, .trust__grid, .milestones__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .svc-row { padding: 48px 0; }
  .svc-row__inner,
  .about-story__inner,
  .contact-body__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 36px 28px 40px; }
  .quote { padding: 36px 28px; }

  .cta-band__title { font-size: 28px; }
  .mini-cta__inner { flex-direction: column; align-items: flex-start; }

  .site-footer { padding-top: 56px; }
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    padding-bottom: 40px;
  }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media (max-width: 560px) {
  :root { --pad: 24px; }
  .hero__title { font-size: 32px; }
  .brand__cn { font-size: 18px; }
  .stat__num { font-size: 40px; }
  .footer__top { grid-template-columns: 1fr; }
}

/* 打印 */
@media print {
  .site-header, .site-footer, .cta-band, .brush-mark, .nav-toggle { display: none !important; }
  body { background: #fff; }
}

/* ==========================================================================
   Contact Form 7 适配（水墨风）
   ========================================================================== */
.wpcf7 label { display: block; }
.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 input[type="tel"],
.wpcf7 textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line-grey);
  border-radius: 2px;
  background: var(--paper-w);
  font-size: 14px;
  color: var(--indigo);
  transition: border-color .2s, background .2s;
}
.wpcf7 input:focus,
.wpcf7 textarea:focus {
  outline: none;
  border-color: var(--indigo);
  background: var(--paper);
}
.wpcf7 textarea { resize: vertical; min-height: 110px; }

/* 单选 chips */
.wpcf7 .wpcf7-radio {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.wpcf7 .wpcf7-radio .wpcf7-list-item { margin: 0; }
.wpcf7 .wpcf7-radio label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  white-space: nowrap;
  border: 1px solid var(--line-grey);
  border-radius: 999px;
  background: var(--paper-w);
  font-size: 14px;
  color: var(--ink-grey);
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.wpcf7 .wpcf7-radio input { accent-color: var(--indigo); margin: 0; }
.wpcf7 .wpcf7-radio label:has(input:checked) {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--on-dark);
}

/* 提交按钮 */
.wpcf7 .cf-submit {
  width: 100%;
  padding: 18px;
  background: var(--vermilion);
  color: var(--on-dark);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: .12em;
  transition: background .2s;
}
.wpcf7 .cf-submit:hover { background: var(--vermilion-d); }
.wpcf7 .cf-submit:disabled { opacity: .6; cursor: wait; }

/* 校验与提示 */
.wpcf7 span.wpcf7-not-valid-tip { color: var(--vermilion-d); font-size: 12px; }
.wpcf7 .wpcf7-response-output {
  margin: 20px 0 0;
  padding: 14px 18px;
  border: none;
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.6;
}
.wpcf7 form.sent .wpcf7-response-output { background: #EAF3EC; color: #1F6B3A; }
.wpcf7 form.invalid .wpcf7-response-output,
.wpcf7 form.failed .wpcf7-response-output,
.wpcf7 form.aborted .wpcf7-response-output { background: #FBEBEA; color: var(--vermilion-d); }
.wpcf7 form.unaccepted .wpcf7-response-output { background: #FDF6E7; color: #8A6A1F; }