/* ============================================================
   HCS 官网 · Apple 产品页风
   HCS Website — Apple Product Page Style  v3.0
   基于 tokens.css；2026-09-02 全量重写
   层次：深色 Hero / CTA 大区块  ⇄  浅灰 / 纯白内容区
   ============================================================ */

/* ---------- 1. 容器与区块节奏 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}
.wrap--narrow { max-width: var(--wrap-narrow); }

section.block { padding-top: var(--s-block); }
section.block--tight { padding-top: var(--s-block-s); }
section.block:first-of-type { padding-top: var(--s-block-s); }

/* 区块倒数第二段到 CTA 之间留白 */
section.block:last-of-type { padding-bottom: var(--s-block); }

.grid-2  { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-13 { display: grid; grid-template-columns: 1.35fr 1fr; gap: 72px; align-items: start; }

/* ---------- 2. 文字工具 ---------- */
.label {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--ink-300);
}
.label-cn {
  font-size: var(--t-label-l);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-300);
}

.t-hero { font-size: var(--t-hero); line-height: var(--lh-title); letter-spacing: var(--ls-tight); font-weight: 600; }
.t-h1   { font-size: var(--t-h1);   line-height: var(--lh-title); letter-spacing: var(--ls-tight); font-weight: 600; }
.t-h2   { font-size: var(--t-h2);   line-height: var(--lh-h2);    letter-spacing: -0.018em; font-weight: 600; }
.t-h3   { font-size: var(--t-h3);   line-height: 1.25;            letter-spacing: -0.014em; font-weight: 600; }

.rule       { height: 1px; background: var(--line);      border: 0; margin: 0; }
.rule--soft { height: 1px; background: var(--line-soft); border: 0; margin: 0; }
.rule--seal { height: 2px; background: var(--seal-line); border: 0; margin: 0; width: 48px; }

/* ---------- 2.5 工具类（替代原内联样式） ---------- */
.u-center { text-align: center; }
.u-mt32 { margin-top: 32px; }
.u-mt48 { margin-top: 48px; }
.u-mt64 { margin-top: 64px; }
.u-mb24 { margin-bottom: 24px; }
.u-meta { font-size: 12px; color: var(--ink-300); }

/* 居中引导段（CTA 区块内） */
.u-lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-500);
  max-width: 560px;
  margin: 0 auto 32px;
  text-align: center;
}

/* 长文段落区（图文 1.35:1 布局中的文字列） */
.prose { font-size: 17px; line-height: 1.75; color: var(--ink-500); }
.prose p { margin-bottom: 24px; }
.prose p:last-child { margin-bottom: 0; }

/* 窄表单 */
.form--narrow { max-width: 760px; }

/* ---------- 3. 区块标题 ---------- */
.sec-head { max-width: 780px; margin-bottom: 64px; }
.sec-head__eyebrow {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--seal);
  margin-bottom: 14px;
}
.sec-head .label-cn { color: var(--seal); }         /* 区块眉标：朱红唯一强调 */
.sec-head__title {
  font-size: var(--t-h2);
  line-height: var(--lh-h2);
  font-weight: 600;
  letter-spacing: -0.018em;
  margin-bottom: 20px;
}
.sec-head__sub {
  font-size: var(--t-body);
  line-height: 1.6;
  color: var(--ink-500);
  max-width: 680px;
}
.sec-head--center { text-align: center; margin-left: auto; margin-right: auto; }
.sec-head--center .sec-head__sub { margin-left: auto; margin-right: auto; }

/* ---------- 4. 导航：吸顶毛玻璃 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  transition: box-shadow var(--dur-s) var(--ease);
}
.nav.is-stuck { box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06); }

.nav__inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 28px;
}

/* 品牌链接：padding 撑到 44px 点击热区（Apple HIG） */
.brand { display: flex; align-items: center; gap: 10px; flex: 0 1 auto; min-width: 0; padding: 7px 0; }
.brand__mark {
  width: 30px; height: 30px;
  border-radius: var(--r-xs);
  background: var(--seal);
  color: #fff;
  font-family: var(--f-serif);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0;
  display: flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
}
.brand__txt { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.brand__cn { font-size: 13px; font-weight: 600; color: var(--ink-900); letter-spacing: -0.01em; }
.brand__en { font-size: 10px; color: var(--ink-300); letter-spacing: 0.06em; text-transform: uppercase; }

.nav__list { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__item {
  font-size: 13px;
  color: var(--ink-500);
  padding: 6px 12px;
  border-radius: var(--r-pill);
  transition: color var(--dur-s) var(--ease), background var(--dur-s) var(--ease);
  white-space: nowrap;
}
.nav__item:hover { color: var(--ink-900); background: rgba(0, 0, 0, 0.04); }
.nav__item.is-active { color: var(--ink-900); font-weight: 600; }

.nav__cta {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: var(--seal);
  padding: 8px 18px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  transition: background var(--dur-s) var(--ease), transform var(--dur-s) var(--ease);
}
.nav__cta:hover { background: var(--seal-hi); transform: translateY(-1px); }

/* 汉堡按钮 */
.nav__toggle {
  display: none;
  width: 44px; height: 44px;          /* 44px 点击热区（Apple HIG 下限） */
  border: 0; background: transparent;
  cursor: pointer;
  padding: 12px 10px;
  margin-left: auto;
  margin-right: -10px;                /* 抵消 padding，视觉仍贴右 */
}
.nav__toggle span {
  display: block; height: 1.5px; background: var(--ink-900);
  border-radius: 2px; margin: 4px 0;
  transition: transform var(--dur-s) var(--ease), opacity var(--dur-s) var(--ease);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--ink-900);
  cursor: pointer;
  text-align: center;
  transition: background var(--dur-s) var(--ease), color var(--dur-s) var(--ease),
              border-color var(--dur-s) var(--ease), transform var(--dur-s) var(--ease),
              box-shadow var(--dur-s) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--ink   { background: var(--ink-900); color: #fff; }
.btn--ink:hover { background: #000; box-shadow: 0 8px 24px rgba(0,0,0,.18); }

.btn--seal  { background: var(--seal); color: #fff; }
.btn--seal:hover { background: var(--seal-hi); box-shadow: 0 8px 24px rgba(178,58,46,.28); }

.btn--ghost { border-color: rgba(0,0,0,.18); color: var(--ink-900); }
.btn--ghost:hover { border-color: rgba(0,0,0,.32); background: rgba(0,0,0,.03); }

.btn--sm { padding: 9px 20px; font-size: 13px; min-height: 44px; }  /* 44px 热区 */

/* 深色区块上的按钮反相 */
.hero .btn--ink,
.cta-band .btn--ink { background: #fff; color: var(--ink-900); }
.hero .btn--ink:hover,
.cta-band .btn--ink:hover { background: rgba(255,255,255,.88); }
.hero .btn--ghost,
.cta-band .btn--ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.hero .btn--ghost:hover,
.cta-band .btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.10); }

/* ---------- 6. 首页 Hero（深色大区块） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--dark);
  color: #fff;
  padding: 120px 0 130px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 78% 8%,  rgba(178,58,46,.22), transparent 62%),
    radial-gradient(700px 420px at 8% 92%,  rgba(178,58,46,.10), transparent 60%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 72px;
  align-items: center;
}
.hero__eyebrow {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero__eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--seal-on-dark);
}
.hero__title {
  font-size: var(--t-hero);
  line-height: var(--lh-title);
  letter-spacing: var(--ls-tight);
  font-weight: 600;
  color: #fff;
  margin-bottom: 28px;
}
.hero__title span,
.hero .hero__title span { color: rgba(255,255,255,.55) !important; }
.hero__sub {
  font-size: 19px;
  line-height: 1.6;
  color: rgba(255,255,255,.68);
  max-width: 720px;
  margin-bottom: 40px;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__visual { display: flex; justify-content: center; align-items: center; }

/* ---------- 7. 内页 Hero（浅色渐变） ---------- */
.page-hero {
  background: linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 100%);
  padding: 88px 0 80px;
  border-bottom: 1px solid var(--line-soft);
}
.page-hero__eyebrow {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--seal);
  margin-bottom: 16px;
}
.page-hero__title {
  font-size: var(--t-h1);
  line-height: var(--lh-title);
  letter-spacing: var(--ls-tight);
  font-weight: 600;
  max-width: 900px;
  margin-bottom: 24px;
}
.page-hero__sub {
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink-500);
  max-width: 720px;
}
.breadcrumb {
  font-size: var(--t-small);
  color: var(--ink-300);
  margin-bottom: 24px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.breadcrumb a { color: var(--ink-500); padding: 6px 0; transition: color var(--dur-s) var(--ease); }
.breadcrumb a:hover { color: var(--seal); }

/* ---------- 8. 数字墙 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat {
  background: var(--paper);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card);
  padding: 36px 28px 32px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--sh-hover); }
.stat__num {
  font-size: 56px;
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-900);
  margin-bottom: 10px;
}
.stat__unit {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--seal);
  margin-bottom: 14px;
}
.stat__desc { font-size: 15px; line-height: 1.55; color: var(--ink-500); }

/* ---------- 9. 通用卡片网格 ---------- */
.services  { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.industries{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.resources { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.testi     { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news      { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-detail{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* 卡片基类（阴影分层 + 悬停抬升） */
.svc, .ind, .res, .stat, .testi__card, .news__item,
.news-cat, .svc-detail__cell, .checklist__item {
  background: var(--paper);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.svc:hover, .ind:hover, .res:hover,
.testi__card:hover, .news__item:hover, .svc-detail__cell:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-hover);
}

/* ---------- 10. 服务 / 团队卡 ---------- */
.svc { padding: 40px 32px 36px; }
.svc__no {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: var(--ink-300);
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}
.svc__title { font-size: 21px; line-height: 1.3; font-weight: 600; margin-bottom: 14px; }
.svc__sub { display: block; font-size: var(--t-small); font-weight: 400; color: var(--ink-300); margin-top: 6px; letter-spacing: 0.02em; }
.svc__desc { font-size: 15px; line-height: 1.6; color: var(--ink-500); }
.svc__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--t-small); font-weight: 500; color: var(--seal);
  margin-top: 14px; padding: 6px 0;
}
.svc__link::after { content: "›"; font-size: 18px; line-height: 1; transition: transform var(--dur-s) var(--ease); }
.svc__link:hover::after { transform: translateX(4px); }

/* ---------- 11. 行业磁贴 ---------- */
.ind { padding: 26px 22px 24px; display: block; }
.ind:hover { transform: translateY(-4px); box-shadow: var(--sh-hover); }
.ind__no { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; color: var(--ink-300); font-variant-numeric: tabular-nums; }
.ind__cn { font-size: 19px; font-weight: 600; color: var(--ink-900); margin-top: 10px; letter-spacing: -0.01em; }
.ind__en { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-300); margin-top: 4px; }

/* ---------- 12. 资源卡 ---------- */
.res { padding: 34px 28px 30px; display: flex; flex-direction: column; }
.res__no { font-size: 11px; font-weight: 600; letter-spacing: 0.1em; color: var(--seal); margin-bottom: 14px; }
.res__title { font-size: 20px; line-height: 1.35; font-weight: 600; margin-bottom: 14px; }
.res__desc { font-size: 15px; line-height: 1.6; color: var(--ink-500); margin-bottom: 24px; }
.res .btn { margin-top: auto; align-self: flex-start; }

/* ---------- 13. 案例卡 ---------- */
.testi__card { padding: 40px 36px 34px; }
.testi__quote {
  display: inline-block;
  font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
  color: var(--seal); background: var(--seal-wash);
  padding: 6px 14px; border-radius: var(--r-pill);
  margin-bottom: 22px;
}
.testi__body { font-size: 17px; line-height: 1.62; color: var(--ink-700); }
.testi__author { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line-soft); }
.testi__name { font-size: 15px; font-weight: 600; color: var(--ink-900); }
.testi__role { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-300); margin-top: 4px; }

/* ---------- 14. 新闻 ---------- */
.news__item { padding: 32px 28px; }
.news__date { font-size: var(--t-label); font-weight: 600; letter-spacing: var(--ls-label); color: var(--seal); margin-bottom: 14px; }
.news__title { font-size: 19px; line-height: 1.4; font-weight: 600; margin-bottom: 12px; }
.news__excerpt { font-size: 15px; line-height: 1.6; color: var(--ink-500); }

.news-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-cat { padding: 34px 28px 28px; }
.news-cat__title { font-size: 18px; font-weight: 600; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line-soft); }
.news-cat__list { display: block; }
.news-row { padding: 20px 0; border-bottom: 1px solid var(--line-soft); }
.news-row:last-child { border-bottom: 0; padding-bottom: 0; }
.news-row__date { font-size: 11px; font-weight: 600; letter-spacing: 0.1em; color: var(--ink-300); margin-bottom: 8px; font-variant-numeric: tabular-nums; }
.news-row__title { display: block; font-size: 16px; font-weight: 600; line-height: 1.45; color: var(--ink-900); padding: 4px 0; transition: color var(--dur-s) var(--ease); }
.news-row__title:hover { color: var(--seal); }
.news-row__excerpt { font-size: 14px; line-height: 1.6; color: var(--ink-500); margin-top: 8px; }

/* ---------- 15. 五步流程（首页） ---------- */
.process { display: block; }
.process__list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.process__list::before { display: none; }
.step {
  background: var(--paper);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card);
  padding: 28px 24px 26px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.step:hover { transform: translateY(-6px); box-shadow: var(--sh-hover); }
.step__no {
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  color: var(--seal); margin-bottom: 16px; font-variant-numeric: tabular-nums;
}
.step__no--seal { color: var(--seal); }
.step__title { font-size: 18px; line-height: 1.4; font-weight: 600; margin-bottom: 12px; }
.step__desc { font-size: 14px; line-height: 1.6; color: var(--ink-500); }

/* ---------- 16. 详细流程（流程页） ---------- */
.process-detail { display: grid; gap: 20px; }
.proc-step {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 32px;
  background: var(--paper);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card);
  padding: 40px 40px 38px;
  align-items: start;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.proc-step:hover { transform: translateY(-4px); box-shadow: var(--sh-hover); }
.proc-step:first-child { margin-top: 0; }
.proc-step__no {
  font-size: 44px; line-height: 1; font-weight: 600;
  letter-spacing: -0.04em; color: var(--ink-200);
  font-variant-numeric: tabular-nums;
}
.proc-step__no em {
  display: block; font-style: normal;
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  color: var(--seal); margin-top: 12px;
}
.proc-step__sub { font-size: var(--t-label); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-300); margin-bottom: 10px; }
.proc-step__title { font-size: 24px; font-weight: 600; margin-bottom: 14px; }
.proc-step__desc { font-size: 16px; line-height: 1.62; color: var(--ink-500); margin-bottom: 20px; }
.proc-step__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
.proc-step__list li {
  position: relative; padding-left: 20px;
  font-size: 15px; line-height: 1.55; color: var(--ink-500);
}
.proc-step__list li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--seal);
}

/* ---------- 17. 服务详情卡 ---------- */
.svc-detail__cell { padding: 38px 34px 34px; }
.svc-detail__sub { font-size: var(--t-label); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--seal); margin-bottom: 12px; }
.svc-detail__title { font-size: 24px; font-weight: 600; margin-bottom: 14px; }
.svc-detail__desc { font-size: 16px; line-height: 1.62; color: var(--ink-500); margin-bottom: 22px; }
.svc-detail__scope { display: grid; gap: 10px; }
.svc-detail__scope li {
  position: relative; padding-left: 24px;
  font-size: 15px; line-height: 1.55; color: var(--ink-500);
}
.svc-detail__scope li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 12px; height: 7px;
  border-left: 2px solid var(--seal); border-bottom: 2px solid var(--seal);
  transform: rotate(-45deg);
}

/* ---------- 18. 资质墙（浅灰大区块） ---------- */
.accr {
  background: var(--paper-warm);
  padding: 100px 0;
  margin-top: var(--s-block);
}
.accr__head { max-width: 720px; margin-bottom: 48px; }
.accr__head .label-cn { color: var(--seal); }
.accr__head h2 { margin-top: 14px; }
.accr__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.accr__item {
  background: var(--paper);
  border-radius: var(--r-sm);
  padding: 20px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  text-align: left;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  transition: transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease);
}
.accr__item::after { display: none; }
.accr__item:hover { transform: translateY(-3px); box-shadow: var(--sh-card); }
.accr__sub {
  display: block;
  font-size: 11px; font-weight: 500; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-300);
  margin-top: 6px;
}

/* ---------- 19. 键值列表 / 时间线 / FAQ ---------- */
.list { background: var(--paper); border-radius: var(--r-card); box-shadow: var(--sh-card); padding: 12px 32px; }
.list__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.list__row:first-child { border-top: 0; }
.list__row:last-child { border-bottom: 0; }
.list__key  { font-size: var(--t-small); color: var(--ink-300); line-height: 1.5; }
.list__val  { font-size: var(--t-body); color: var(--ink-900); line-height: 1.6; }

.timeline { list-style: none; }
.timeline__row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 40px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: start;
}
.timeline__row:last-child { border-bottom: 0; }
.timeline__year {
  font-size: 28px; font-weight: 600; letter-spacing: -0.02em;
  color: var(--ink-900); font-variant-numeric: tabular-nums;
  position: relative; padding-left: 18px;
}
.timeline__year::before {
  content: ""; position: absolute; left: 0; top: 12px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--seal);
}
.timeline__title { font-size: 21px; font-weight: 600; margin-bottom: 10px; }
.timeline__desc  { font-size: 16px; line-height: 1.62; color: var(--ink-500); }

.checklist__item { padding: 32px 30px 28px; }
.checklist__no { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; color: var(--seal); margin-bottom: 14px; }
.checklist__q { font-size: 19px; line-height: 1.45; font-weight: 600; margin-bottom: 12px; }
.checklist__a { font-size: 15px; line-height: 1.62; color: var(--ink-500); }

.faq { list-style: none; }
.faq__item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: start;
}
.faq__item:last-child { border-bottom: 0; }
.faq__no { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; color: var(--seal); font-variant-numeric: tabular-nums; padding-top: 4px; }
.faq__q  { font-size: 21px; line-height: 1.45; font-weight: 600; margin-bottom: 12px; }
.faq__a  { font-size: 16px; line-height: 1.62; color: var(--ink-500); }

/* ---------- 20. 为什么选择 HCS ---------- */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.why__visual { display: flex; justify-content: center; align-items: flex-start; padding-top: 8px; }
.why__list { margin-top: 8px; }
.why__row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
}
.why__row:first-child { border-top: 1px solid var(--line-soft); }
.why__no { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; color: var(--seal); padding-top: 5px; }
.why__title { font-size: 19px; font-weight: 600; margin-bottom: 8px; }
.why__desc { font-size: 15px; line-height: 1.62; color: var(--ink-500); }

/* 竖排信条卡 */
.creed {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--f-serif);
  font-size: 17px;
  line-height: 2.2;
  letter-spacing: 6px;
  color: var(--ink-700);
  background: var(--paper);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card);
  padding: 48px 40px;
}
.creed__mark {
  writing-mode: horizontal-tb;
  font-family: var(--f-sans);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--ink-300);
  margin-top: 24px;
}

/* ---------- 21. 联系 + 表单 ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.15fr; gap: 72px; align-items: start; }
.contact__info { display: block; }
.contact__row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.contact__row:first-child { border-top: 1px solid var(--line-soft); }
.contact__key { font-size: var(--t-small); color: var(--ink-300); line-height: 1.5; }
.contact__val { font-size: 19px; font-weight: 600; color: var(--ink-900); line-height: 1.5; }

.form {
  background: var(--paper);
  border-radius: var(--r-card);
  box-shadow: var(--sh-card);
  padding: 40px 36px;
}
.form__group { margin-bottom: 20px; }
.form__label {
  display: flex;
  align-items: center;
  min-height: 24px;          /* 关联 for 后为可点击元素，满足 WCAG 2.5.8 最小 24px 热区 */
  font-size: var(--t-small);
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 8px;
}
.form__input,
.form__textarea {
  width: 100%;
  font-family: var(--f-sans);
  font-size: 16px;
  color: var(--ink-900);
  background: var(--paper);
  border: 1px solid rgba(0,0,0,.14);
  border-radius: var(--r-sm);
  padding: 13px 16px;
  transition: border-color var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease);
}
.form__input { height: 48px; }
.form__textarea { min-height: 128px; resize: vertical; line-height: 1.6; }
.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--seal);
  box-shadow: 0 0 0 4px var(--seal-wash);
}
.form__input::placeholder,
.form__textarea::placeholder { color: var(--ink-200); }
.form__submit { width: 100%; margin-top: 8px; background: var(--seal); color: #fff; border-color: transparent; }
.form__submit:hover { background: var(--seal-hi); }

/* ---------- 22. 底部 CTA（深色大区块） ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--dark);
  color: #fff;
  padding: 110px 0;
  margin-top: var(--s-block);
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(1000px 460px at 50% 0%, rgba(178,58,46,.26), transparent 62%);
  pointer-events: none;
}
.cta-band__inner { position: relative; text-align: center; }
.cta-band__title {
  font-size: var(--t-h1);
  line-height: var(--lh-title);
  letter-spacing: var(--ls-tight);
  font-weight: 600;
  color: #fff;
  margin-bottom: 22px;
}
.cta-band__sub {
  font-size: 18px; line-height: 1.62;
  color: rgba(255,255,255,.66);
  max-width: 640px;
  margin: 0 auto 40px;
}
.cta-band__row { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------- 23. 页脚 ---------- */
.footer {
  background: var(--paper-warm);
  border-top: 1px solid var(--line-soft);
  padding: 72px 0 40px;
  margin-top: 0;
}
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; }
.footer__brand { display: block; }
.footer__brand .brand { margin-bottom: 18px; }
.footer__intro { font-size: 13px; line-height: 1.7; color: var(--ink-500); max-width: 320px; }
.footer__col h4 {
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-900);
  margin-bottom: 16px;
}
.footer__col li { margin-bottom: 4px; }
.footer__col li a { display: inline-block; padding: 6px 0; font-size: 13px; color: var(--ink-500); transition: color var(--dur-s) var(--ease); }
.footer__col li a:hover { color: var(--seal); }
.footer__bot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid rgba(0,0,0,.08);
  font-size: 12px;
  color: var(--ink-300);
}
.footer__bot a { color: var(--ink-300); display: inline-flex; align-items: center; min-height: 24px; transition: color var(--dur-s) var(--ease); }
.footer__bot a:hover { color: var(--ink-900); }

/* ---------- 24. 404 ---------- */
.nf { text-align: center; padding: 120px 0 40px; }
.nf__code {
  font-size: 112px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.05em;
  color: var(--seal);
  font-variant-numeric: tabular-nums;
  margin-bottom: 20px;
}
.nf__title { font-size: var(--t-h2); font-weight: 600; margin-bottom: 18px; }
.nf__desc { font-size: 18px; line-height: 1.6; color: var(--ink-500); max-width: 560px; margin: 0 auto 40px; }
.nf__row { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-bottom: 72px; }
.nf__links { text-align: left; max-width: 620px; margin: 0 auto 120px; }
.nf__links__title { font-size: var(--t-label); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-300); margin-bottom: 18px; }
.nf__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 24px; }
.nf__list a {
  display: block;
  font-size: 15px;
  color: var(--ink-700);
  padding: 12px 18px;
  border-radius: var(--r-sm);
  background: var(--paper-warm);
  transition: color var(--dur-s) var(--ease), background var(--dur-s) var(--ease);
}
.nf__list a:hover { color: var(--seal); background: var(--seal-wash); }

/* ---------- 25. 滚动渐入 ---------- */
.fadein {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.fadein.is-in { opacity: 1; transform: none; }

/* ============================================================
   26. 响应式
   ============================================================ */
@media (max-width: 1080px) {
  :root {
    --t-hero: 64px;
    --t-h1: 48px;
    --t-h2: 34px;
    --s-block: 104px;
    --s-block-s: 80px;
  }
  .industries { grid-template-columns: repeat(3, 1fr); }
  .resources  { grid-template-columns: repeat(2, 1fr); }
  .news-cats  { grid-template-columns: repeat(2, 1fr); }
  .process__list { grid-template-columns: repeat(3, 1fr); }
  .accr__list { grid-template-columns: repeat(3, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr 1fr; }
  .hero__inner { grid-template-columns: 1.3fr 1fr; gap: 48px; }
}

@media (max-width: 980px) {
  :root {
    --t-hero: 52px;
    --t-h1: 40px;
    --t-h2: 30px;
    --t-h3: 24px;
    --s-block: 88px;
    --s-block-s: 68px;
  }
  .nav__toggle { display: block; }
  .nav__cta { display: none; }
  .nav__inner { height: 52px; }
  .nav__list {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 20px;
    background: rgba(255,255,255,.94);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0,0,0,.08);
    box-shadow: 0 12px 32px rgba(0,0,0,.08);
  }
  .nav__list.is-open { display: flex; }
  .nav__item { padding: 12px 4px; font-size: 15px; border-radius: 0; }
  .nav__item:hover { background: transparent; }
  .nav__item.is-active::after { display: none; }

  .hero { padding: 80px 0 88px; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { justify-content: flex-start; }
  .hero__sub { font-size: 17px; }

  .stats     { grid-template-columns: repeat(2, 1fr); }
  .services  { grid-template-columns: repeat(2, 1fr); }
  .testi     { grid-template-columns: 1fr; }
  .news      { grid-template-columns: repeat(2, 1fr); }
  .svc-detail{ grid-template-columns: 1fr; }
  .grid-13   { grid-template-columns: 1fr; gap: 40px; }
  .grid-2    { grid-template-columns: 1fr; }
  .why       { grid-template-columns: 1fr; gap: 40px; }
  .why__visual { justify-content: flex-start; }
  .contact   { grid-template-columns: 1fr; gap: 48px; }
  .process__list { grid-template-columns: repeat(2, 1fr); }
  .checklist { grid-template-columns: 1fr; }
  .accr__list { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer__intro { max-width: none; }
  .cta-band__title { font-size: 34px; }
  .list__row { grid-template-columns: 1fr; gap: 8px; }
  .proc-step { grid-template-columns: 72px 1fr; gap: 20px; padding: 30px 26px; }
  .proc-step__no { font-size: 32px; }
  .proc-step__list { grid-template-columns: 1fr; }
  .page-hero { padding: 64px 0 60px; }
  .timeline__row { grid-template-columns: 96px 1fr; gap: 24px; }
  .creed { writing-mode: horizontal-tb; letter-spacing: 2px; padding: 32px 28px; }
}

@media (max-width: 720px) {
  .accr__list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  :root {
    --t-hero: 40px;
    --t-h1: 32px;
    --t-h2: 26px;
    --t-h3: 21px;
    --s-block: 68px;
    --s-block-s: 56px;
    --r-card: 16px;
  }
  .wrap { padding: 0 20px; }
  /* 窄屏：品牌英文全称隐去、中文名单行省略，保证汉堡按钮不被挤出视口 */
  .brand__en { display: none; }
  .brand__cn { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .nav__toggle { flex: 0 0 34px; }
  .nav__inner { gap: 12px; }
  .stats, .industries, .resources { grid-template-columns: 1fr; }
  .stat, .ind, .res { padding: 26px 22px; }
  .stat__num { font-size: 44px; }
  .services, .news, .news-cats, .process__list { grid-template-columns: 1fr; }
  .testi__card { padding: 30px 24px; }
  .cta-band { padding: 72px 0; }
  .cta-band__title { font-size: 28px; }
  .cta-band__row { flex-direction: column; align-items: stretch; }
  .cta-band__row .btn { width: 100%; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .footer__bot { flex-direction: column; }
  .timeline__row { grid-template-columns: 1fr; gap: 12px; }
  .timeline__year { padding-left: 0; }
  .timeline__year::before { display: none; }
  .checklist__item { padding: 26px 22px; }
  .faq__item { grid-template-columns: 1fr; gap: 10px; }
  .faq__no { padding-top: 0; }
  .form { padding: 28px 22px; }
  .list { padding: 8px 22px; }
  .nf { padding: 72px 0 24px; }
  .nf__code { font-size: 76px; }
  .nf__row { flex-direction: column; align-items: stretch; margin-bottom: 48px; }
  .nf__row .btn { width: 100%; }
  .nf__list { grid-template-columns: 1fr; }
  .nf__links { margin-bottom: 72px; }
  .sec-head { margin-bottom: 40px; }
  .accr { padding: 64px 0; }
  .proc-step { grid-template-columns: 1fr; gap: 14px; padding: 26px 22px; }
}

/* ============================================================
   27. 无障碍：尊重系统「减少动态效果」
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .fadein { opacity: 1; transform: none; }
}


/* === 2026-09-02 PENDING 内容隐藏 === */
[data-status="pending"] { display: none !important; }