/* ============================================================
   智宿云 ZHISU CLOUD · 通用组件库 Components
   依赖：tokens.css / base.css
   命名规范：BEM 轻量变体（.block__element--modifier）
   ============================================================ */

/* ============================================================
   01. 标签 Eyebrow（英文小标签 + 金线）
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  font-family: var(--font-en);
  font-size: var(--fs-tiny);
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--line-gold);
}
.eyebrow--center::after {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: var(--line-gold);
}
.on-dark .eyebrow, .eyebrow--light { color: var(--gold-400); }

/* ============================================================
   02. 区块标题 Section Head
   ============================================================ */
.section-head { max-width: 46rem; margin-bottom: clamp(2rem, 3.8vw, 2.75rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head__title { font-size: var(--fs-h2); }
.section-head__desc {
  margin-top: var(--space-2);
  font-size: var(--fs-lead);
  font-weight: var(--fw-light);
  color: var(--text-2);
  line-height: 2;
}
.on-dark .section-head__desc { color: var(--text-inverse-2); }

/* ============================================================
   03. 按钮 Button
   ============================================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 1rem 2.5rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  border-radius: var(--radius-s);
  border: 1px solid transparent;
  transition:
    color var(--dur-base) var(--ease-standard),
    background-color var(--dur-base) var(--ease-standard),
    border-color var(--dur-base) var(--ease-standard),
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  overflow: hidden;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

/* 香槟金实心（主按钮） */
.btn--gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500) 55%, var(--gold-600));
  color: var(--ink-950);
}
.btn--gold:hover { box-shadow: var(--shadow-gold); transform: translateY(-2px); }

/* 墨蓝实心 */
.btn--dark { background: var(--ink-900); color: var(--white); }
.btn--dark:hover { background: var(--ink-700); transform: translateY(-2px); box-shadow: var(--shadow-m); }

/* 描边（浅底） */
.btn--outline { border-color: var(--line-strong); color: var(--text-1); background: transparent; }
.btn--outline:hover { border-color: var(--gold-500); color: var(--gold-600); transform: translateY(-2px); }

/* 描边（深底） */
.btn--outline-light { border-color: rgba(255, 255, 255, 0.35); color: var(--white); background: transparent; }
.btn--outline-light:hover { border-color: var(--gold-400); color: var(--gold-400); transform: translateY(-2px); }

/* 尺寸 */
.btn--sm { padding: 0.625rem 1.5rem; font-size: var(--fs-tiny); }
.btn--lg { padding: 1.125rem 3rem; }
.btn--block { width: 100%; }

/* 按钮组 */
.btn-group { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ============================================================
   04. 箭头链接 Link Arrow
   ============================================================ */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  color: var(--text-1);
  transition: color var(--dur-fast) var(--ease-standard);
}
.link-arrow .link-arrow__icon {
  width: 1.5rem; height: 1px;
  background: currentColor;
  position: relative;
  transition: width var(--dur-base) var(--ease-out);
}
.link-arrow .link-arrow__icon::after {
  content: "";
  position: absolute; right: 0; top: 50%;
  width: 0.45rem; height: 0.45rem;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.link-arrow:hover { color: var(--gold-600); }
.link-arrow:hover .link-arrow__icon { width: 2.25rem; }
.on-dark .link-arrow { color: var(--text-inverse-1); }
.on-dark .link-arrow:hover { color: var(--gold-400); }
.link-arrow--gold { color: var(--gold-600); }

/* ============================================================
   05. 页头 Header / 导航 Nav
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition:
    background-color var(--dur-base) var(--ease-standard),
    box-shadow var(--dur-base) var(--ease-standard),
    height var(--dur-base) var(--ease-standard);
  color: var(--white);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
/* 滚动后：白底 + 细影 + 降低高度 */
.site-header.is-scrolled {
  height: 4.5rem;
  background: rgba(251, 250, 246, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line), var(--shadow-s);
  color: var(--text-1);
}

/* 品牌标识 */
.brand { display: inline-flex; align-items: center; gap: 0.875rem; }
.brand__seal {
  width: 2.625rem; height: 2.625rem;
  display: grid; place-items: center;
  border: 1px solid var(--gold-500);
  color: var(--gold-500);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: var(--fw-bold);
  border-radius: var(--radius-s);
  transition: transform var(--dur-base) var(--ease-out);
}
.brand:hover .brand__seal { transform: rotate(-4deg); }
/* 品牌 logo 图形（assets/img/logo.svg） */
.brand__logo { width: 2.625rem; height: 2.625rem; display: block; transition: transform var(--dur-base) var(--ease-out); }
.brand:hover .brand__logo { transform: rotate(-4deg); }
.brand__name {
  display: flex; flex-direction: column; line-height: 1.2;
}
.brand__name strong {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
}
.brand__name em {
  font-family: var(--font-en);
  font-style: normal;
  font-size: 0.625rem;
  letter-spacing: 0.32em;
  opacity: 0.62;
  text-transform: uppercase;
}

/* 桌面导航 */
.site-nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.4vw, 2.5rem); }
.site-nav__link {
  position: relative;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  opacity: 0.88;
  transition: opacity var(--dur-fast), color var(--dur-fast);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2px;
  background: var(--gold-500);
  transform: translateX(-50%);
  transition: width var(--dur-base) var(--ease-out);
}
.site-nav__link:hover, .site-nav__link.is-active { opacity: 1; }
.site-nav__link:hover::after, .site-nav__link.is-active::after { width: 100%; }
.site-header.is-scrolled .site-nav__link.is-active { color: var(--gold-600); }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  width: 2.75rem; height: 2.75rem;
  position: relative;
  z-index: calc(var(--z-drawer) + 1);
}
.nav-toggle span {
  position: absolute;
  left: 0.625rem; right: 0.625rem;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast), top var(--dur-base) var(--ease-out);
}
.nav-toggle span:nth-child(1) { top: 1.0625rem; }
.nav-toggle span:nth-child(2) { top: 1.375rem; }
.nav-toggle span:nth-child(3) { top: 1.6875rem; }
.nav-toggle.is-open span:nth-child(1) { top: 1.375rem; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 1.375rem; transform: rotate(-45deg); }

/* 移动端抽屉菜单 */
.nav-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  background:
    radial-gradient(50rem 26rem at 90% 0%, rgba(197, 165, 114, 0.14), transparent 60%),
    var(--ink-950);
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem var(--gutter) 3rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-standard), visibility var(--dur-base);
}
.nav-drawer.is-open { opacity: 1; visibility: visible; }
.nav-drawer__link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 6vw, 2rem);
  font-weight: var(--fw-bold);
  color: var(--text-inverse-1);
  transform: translateY(1.5rem);
  opacity: 0;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-slow) var(--ease-out), color var(--dur-fast);
  transition-delay: var(--d, 0s);
}
.nav-drawer.is-open .nav-drawer__link { transform: none; opacity: 1; }
.nav-drawer__link:hover, .nav-drawer__link.is-active { color: var(--gold-400); }
.nav-drawer__link small {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-inverse-3);
}
.nav-drawer__foot {
  margin-top: 2.5rem;
  font-size: var(--fs-small);
  color: var(--text-inverse-2);
  line-height: 2;
}

@media (max-width: 64rem) {
  .site-nav, .header-actions .btn { display: none; }
  .nav-toggle { display: block; }
}

/* ============================================================
   06. 页面横幅 Page Banner（子页头部）+ 面包屑
   ============================================================ */
.page-banner {
  position: relative;
  padding: calc(var(--header-h) + clamp(2.75rem, 6vw, 4.5rem)) 0 clamp(3rem, 6vw, 4.5rem);
  background:
    radial-gradient(48rem 24rem at 88% -20%, rgba(197, 165, 114, 0.16), transparent 62%),
    radial-gradient(40rem 22rem at 8% 120%, rgba(27, 52, 88, 0.55), transparent 65%),
    linear-gradient(160deg, var(--ink-850) 0%, var(--ink-950) 100%);
  color: var(--white);
  overflow: hidden;
}
/* 细金线装饰 */
.page-banner::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-gold), transparent);
}
.page-banner__inner { position: relative; z-index: 1; max-width: 52rem; }
.page-banner__title { font-size: var(--fs-h1); color: var(--white); }
.page-banner__desc {
  margin-top: var(--space-3);
  max-width: 40rem;
  font-size: var(--fs-lead);
  font-weight: var(--fw-light);
  color: var(--text-inverse-2);
  line-height: 2;
}
/* 横幅中台/能力标签行 */
.page-banner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-3);
}
.page-banner__tags .tag {
  color: var(--gold-400);
  background: rgba(197, 165, 114, 0.08);
}
/* 右侧竖排英文装饰 */
.page-banner__vertical {
  position: absolute;
  right: clamp(1rem, 4vw, 4rem);
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.6em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.22);
}
@media (max-width: 64rem) { .page-banner__vertical { display: none; } }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-3);
  font-size: var(--fs-tiny);
  letter-spacing: 0.12em;
  color: var(--text-inverse-3);
}
.breadcrumb a { transition: color var(--dur-fast); }
.breadcrumb a:hover { color: var(--gold-400); }
.breadcrumb__sep { color: var(--gold-600); }

/* ============================================================
   07. 页脚 Footer
   ============================================================ */
.site-footer {
  background: var(--ink-950);
  color: var(--text-inverse-2);
  font-size: var(--fs-small);
}
.site-footer__main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--space-5);
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}
.site-footer .brand { color: var(--white); margin-bottom: var(--space-3); }
.site-footer__slogan {
  font-family: var(--font-serif);
  font-size: var(--fs-h4);
  color: var(--gold-400);
  line-height: 1.8;
  margin-bottom: var(--space-2);
}
.site-footer__desc { line-height: 2; color: var(--text-inverse-3); max-width: 22rem; }
.site-footer__title {
  font-family: var(--font-en);
  font-size: var(--fs-tiny);
  font-weight: var(--fw-regular);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text-inverse-3);
  margin-bottom: var(--space-3);
}
.site-footer__links li { margin-bottom: 0.875rem; }
.site-footer__links a {
  color: var(--text-inverse-2);
  transition: color var(--dur-fast), padding-left var(--dur-fast);
}
.site-footer__links a:hover { color: var(--gold-400); padding-left: 0.375rem; }
.site-footer__contact li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
  line-height: 1.8;
}
.site-footer__contact svg { flex: none; width: 1rem; height: 1rem; margin-top: 0.35rem; color: var(--gold-500); }
.site-footer__contact a { color: inherit; transition: color var(--dur-fast) var(--ease-out); }
.site-footer__contact a:hover { color: var(--gold-500); }
.info-card__text a { color: inherit; transition: color var(--dur-fast) var(--ease-out); }
.info-card__text a:hover { color: var(--gold-600); }
.info-card__qr {
  width: 7.5rem;
  height: auto;
  margin-top: 0.875rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--white);
}
.info-card__text a.info-card__link { color: var(--gold-600); font-weight: var(--fw-medium); }
.nav-drawer__foot a { color: inherit; }
.site-footer__bottom a { color: inherit; transition: color var(--dur-fast) var(--ease-out); }
.site-footer__bottom a:hover { color: var(--gold-500); }
.site-footer__bottom {
  border-top: 1px solid var(--line-dark);
  padding-block: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: var(--fs-tiny);
  color: var(--text-inverse-3);
}
.site-footer__bottom a { transition: color var(--dur-fast); }
.site-footer__bottom a:hover { color: var(--gold-400); }

@media (max-width: 64rem) {
  .site-footer__main { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
}
@media (max-width: 40rem) {
  .site-footer__main { grid-template-columns: 1fr; }
}

/* ============================================================
   08. 卡片 Cards
   ============================================================ */

/* --- 08a. 产品矩阵单元（发丝线网格） --- */
.matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.matrix__cell {
  position: relative;
  padding: clamp(1.75rem, 3vw, 2.75rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background-color var(--dur-base) var(--ease-standard);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 15rem;
}
.matrix__cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--ink-850), var(--ink-950));
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-standard);
}
.matrix__cell > * { position: relative; z-index: 1; }
.matrix__index {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  color: var(--gold-600);
  transition: color var(--dur-base);
}
.matrix__title {
  font-size: var(--fs-h4);
  margin-top: var(--space-3);
  transition: color var(--dur-base);
}
.matrix__en {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 0.375rem;
  transition: color var(--dur-base);
}
.matrix__desc {
  margin-top: var(--space-2);
  font-size: var(--fs-small);
  line-height: 1.9;
  color: var(--text-2);
  transition: color var(--dur-base);
}
.matrix__cell:hover::before { opacity: 1; }
.matrix__cell:hover .matrix__title { color: var(--white); }
.matrix__cell:hover .matrix__desc { color: var(--text-inverse-2); }
.matrix__cell:hover .matrix__en { color: var(--text-inverse-3); }
.matrix__cell:hover .matrix__index { color: var(--gold-400); }
/* 全景矩阵分组标题 */
.matrix__group {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
  padding: 1.25rem clamp(1.75rem, 3vw, 2.75rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  font-family: var(--font-serif);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
}
.matrix__group span {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-600);
}
/* “更多”单元：禁用通用墨色遮罩，hover 保持金字浅底 */
.matrix__cell--more {
  justify-content: center;
  align-items: flex-start;
  background: var(--gold-100);
}
.matrix__cell--more::before { content: none; }
.matrix__cell--more:hover { background: var(--gold-300); }
.matrix__cell--more:hover .matrix__more-text { color: var(--ink-900); }
.matrix__cell--more .matrix__more-text {
  font-family: var(--font-serif);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  color: var(--ink-900);
}
@media (max-width: 64rem) { .matrix { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 40rem) { .matrix { grid-template-columns: 1fr; } .matrix__cell { min-height: 0; } }

/* --- 08b. 通用图文卡（案例 / 新闻） --- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base);
}
.card:hover {
  transform: translateY(-0.5rem);
  box-shadow: var(--shadow-l);
  border-color: transparent;
}
.card__media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: clamp(1.5rem, 2.4vw, 2rem); display: flex; flex-direction: column; flex: 1; }
.card__meta {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-size: var(--fs-tiny);
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-bottom: 0.875rem;
}
.card__tag { color: var(--gold-600); font-weight: var(--fw-medium); }
.card__title {
  font-size: var(--fs-h4);
  line-height: 1.55;
  transition: color var(--dur-fast);
}
.card:hover .card__title { color: var(--gold-600); }
.card__desc {
  margin-top: 0.75rem;
  font-size: var(--fs-small);
  line-height: 1.9;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card__foot { margin-top: auto; padding-top: var(--space-3); }

/* --- 08c. 数据卡 Stat --- */
.stat { text-align: left; }
.stat__value {
  font-family: var(--font-en);
  font-size: clamp(2.75rem, 4.5vw, 4rem);
  line-height: 1;
  color: var(--gold-500);
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}
.stat__value small { font-size: 0.42em; letter-spacing: 0.05em; }
.stat__label {
  margin-top: 1rem;
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
  color: var(--text-inverse-2);
}
.stat__sub { font-size: var(--fs-tiny); color: var(--text-inverse-3); margin-top: 0.25rem; }
/* 浅底变体 */
.stat--light .stat__value { color: var(--gold-600); }
.stat--light .stat__label { color: var(--text-1); }
.stat--light .stat__sub { color: var(--text-3); }

/* --- 08d. 编号服务行 Service Row --- */
.svc-row {
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left var(--dur-base) var(--ease-out);
}
.svc-row:first-child { border-top: 1px solid var(--line); }
.svc-row:hover { padding-left: 1rem; }
.svc-row__no {
  font-family: var(--font-en);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--gold-500);
  line-height: 1;
}
.svc-row__title { font-size: var(--fs-h3); margin-bottom: 0.625rem; }
.svc-row__desc { max-width: 44rem; color: var(--text-2); font-size: var(--fs-small); line-height: 1.9; }
.svc-row__arrow {
  width: 3.25rem; height: 3.25rem;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--text-1);
  transition: all var(--dur-base) var(--ease-out);
}
.svc-row:hover .svc-row__arrow {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--white);
  transform: rotate(-45deg);
}
@media (max-width: 40rem) {
  .svc-row { grid-template-columns: 1fr; gap: 1rem; }
  .svc-row__arrow { display: none; }
}

/* ============================================================
   09. 时间轴 Timeline
   ============================================================ */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 0.3125rem; top: 0.5rem; bottom: 0.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--gold-500), var(--line));
}
.timeline__item { position: relative; padding-bottom: clamp(2rem, 4vw, 2.75rem); }
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -2rem; top: 0.5rem;
  width: 0.6875rem; height: 0.6875rem;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--gold-500);
}
.timeline__year {
  font-family: var(--font-en);
  font-size: var(--fs-h3);
  color: var(--gold-600);
  line-height: 1.2;
}
.timeline__title { font-size: var(--fs-h4); margin-top: 0.5rem; }
.timeline__desc { margin-top: 0.5rem; font-size: var(--fs-small); color: var(--text-2); max-width: 34rem; }

/* ============================================================
   10. 团队卡 Team Card
   ============================================================ */
.team-card {
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.team-card:hover { transform: translateY(-0.375rem); box-shadow: var(--shadow-m); }
.team-card__avatar {
  width: 4.5rem; height: 4.5rem;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-gold);
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: var(--fw-bold);
  color: var(--gold-600);
  background: linear-gradient(160deg, var(--gold-100), transparent);
  margin-bottom: var(--space-3);
}
.team-card__name { font-size: var(--fs-h4); }
.team-card__role {
  margin-top: 0.375rem;
  font-size: var(--fs-tiny);
  letter-spacing: 0.18em;
  color: var(--gold-600);
  text-transform: uppercase;
}
.team-card__bio {
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
  line-height: 1.9;
  color: var(--text-2);
}

/* ============================================================
   11. 手风琴 Accordion（招聘岗位）
   ============================================================ */
.accordion { border-top: 1px solid var(--line); }
.accordion__item { border-bottom: 1px solid var(--line); }
.accordion__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: clamp(1.5rem, 3vw, 2rem) 0;
  text-align: left;
  transition: padding-left var(--dur-base) var(--ease-out);
}
.accordion__head:hover { padding-left: 0.75rem; }
.accordion__title { font-size: var(--fs-h4); font-family: var(--font-serif); font-weight: var(--fw-bold); }
.accordion__meta {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.5rem;
  font-size: var(--fs-tiny);
  letter-spacing: 0.1em;
  color: var(--text-3);
}
.accordion__icon {
  flex: none;
  width: 2.75rem; height: 2.75rem;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: all var(--dur-base) var(--ease-out);
}
.accordion__icon::before {
  content: "";
  width: 0.75rem; height: 0.75rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform var(--dur-base) var(--ease-out);
}
.accordion__item.is-open .accordion__icon {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--white);
}
.accordion__item.is-open .accordion__icon::before {
  transform: rotate(225deg) translate(-1px, -1px);
}
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-out);
}
.accordion__content {
  padding: 0 0 clamp(1.75rem, 3vw, 2.5rem);
  max-width: 52rem;
  color: var(--text-2);
  font-size: var(--fs-small);
  line-height: 2;
}
.accordion__content h5 {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--text-1);
  margin: 1rem 0 0.375rem;
}
.accordion__content h5:first-child { margin-top: 0; }
.accordion__content li { position: relative; padding-left: 1.25rem; }
.accordion__content li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.95em;
  width: 0.375rem; height: 1px;
  background: var(--gold-500);
}

/* ============================================================
   12. 表单 Form
   ============================================================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-grid .form-field--full { grid-column: 1 / -1; }
@media (max-width: 40rem) { .form-grid { grid-template-columns: 1fr; } }

.form-field label {
  display: block;
  font-size: var(--fs-tiny);
  letter-spacing: 0.16em;
  color: var(--text-2);
  margin-bottom: 0.625rem;
}
.form-field label i { color: var(--gold-600); font-style: normal; margin-left: 0.25rem; }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.9375rem 1.125rem;
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  font-size: var(--fs-small);
  color: var(--text-1);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.form-textarea { min-height: 9rem; resize: vertical; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-3); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(197, 165, 114, 0.15);
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2359636F' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.125rem center;
}
.form-note { font-size: var(--fs-tiny); color: var(--text-3); margin-top: 0.5rem; }
/* 表单成功提示 */
.form-success {
  display: none;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line-gold);
  background: var(--gold-100);
  color: var(--gold-600);
  font-size: var(--fs-small);
  border-radius: var(--radius-s);
  margin-top: var(--space-2);
}
.form-success.is-show { display: block; }

/* ============================================================
   13. 筛选标签 Tabs / Filter
   ============================================================ */
.tabs {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.tabs__btn {
  position: relative;
  padding: 0 0 1rem;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: 0.1em;
  color: var(--text-3);
  transition: color var(--dur-fast);
}
.tabs__btn::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.tabs__btn:hover { color: var(--text-1); }
.tabs__btn.is-active { color: var(--gold-600); }
.tabs__btn.is-active::after { transform: scaleX(1); }

/* ============================================================
   14. 分页 Pagination
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: clamp(3rem, 6vw, 4.5rem);
}
.pagination__item {
  min-width: 2.75rem; height: 2.75rem;
  display: grid; place-items: center;
  padding-inline: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  font-family: var(--font-en);
  font-size: var(--fs-small);
  color: var(--text-2);
  transition: all var(--dur-fast);
}
.pagination__item:hover { border-color: var(--gold-500); color: var(--gold-600); }
.pagination__item.is-active {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--white);
}
.pagination__item--disabled { opacity: 0.35; pointer-events: none; }

/* ============================================================
   15. CTA 横幅
   ============================================================ */
.cta-band {
  position: relative;
  padding: clamp(3.25rem, 6.5vw, 5.5rem) 0;
  background:
    radial-gradient(50rem 26rem at 80% 10%, rgba(197, 165, 114, 0.18), transparent 60%),
    linear-gradient(150deg, var(--ink-850), var(--ink-950));
  color: var(--white);
  text-align: center;
  overflow: hidden;
}
.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(180deg, transparent, var(--gold-500));
  left: 50%;
}
.cta-band::before { top: 0; }
.cta-band::after { bottom: 0; transform: rotate(180deg); }
.cta-band__title { font-size: var(--fs-h2); color: var(--white); }
.cta-band__desc {
  margin: var(--space-3) auto var(--space-4);
  max-width: 36rem;
  color: var(--text-inverse-2);
  font-weight: var(--fw-light);
  line-height: 2;
}

/* ============================================================
   16. 返回顶部 Back to Top
   ============================================================ */
.back-top {
  position: fixed;
  right: 1.75rem;
  bottom: 1.75rem;
  z-index: var(--z-top);
  width: 3rem; height: 3rem;
  display: grid; place-items: center;
  background: var(--ink-900);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-m);
  opacity: 0;
  visibility: hidden;
  transform: translateY(1rem);
  transition: all var(--dur-base) var(--ease-out);
}
.back-top.is-show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--gold-500); color: var(--ink-950); }

/* ============================================================
   17. 徽章 Tag / Badge
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  font-size: var(--fs-tiny);
  letter-spacing: 0.12em;
  border: 1px solid var(--line-gold);
  color: var(--gold-600);
  border-radius: 999px;
  background: rgba(197, 165, 114, 0.06);
}
.tag--dark { border-color: var(--line-strong); color: var(--text-2); background: transparent; }

/* ============================================================
   18. 联系信息卡 Info Card
   ============================================================ */
.info-card {
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--white);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.info-card:hover { transform: translateY(-0.375rem); box-shadow: var(--shadow-m); }
.info-card__icon {
  width: 3rem; height: 3rem;
  display: grid; place-items: center;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  color: var(--gold-600);
  margin-bottom: var(--space-3);
}
/* 统一信息卡图标尺寸（覆盖内联 width/height，保证全站一致） */
.info-card__icon svg { width: 1.25rem; height: 1.25rem; }
.info-card__title { font-size: var(--fs-h4); margin-bottom: 0.625rem; }
.info-card__text { font-size: var(--fs-small); color: var(--text-2); line-height: 2; }
.info-card__text strong { color: var(--text-1); font-weight: var(--fw-semibold); }

/* ============================================================
   19. 优势对比表 Compare Table（产品优势 / 方案优势）
   ============================================================ */
.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--white);
  box-shadow: var(--shadow-s);
  -webkit-overflow-scrolling: touch;
}
.compare {
  width: 100%;
  min-width: 48rem;
  border-collapse: collapse;
  font-size: var(--fs-small);
}
.compare caption {
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: var(--fs-tiny);
  letter-spacing: 0.08em;
  color: var(--text-3);
}
/* 表头：编辑式细线分隔，智宿云列金色高亮（呼应 versus 组件语言） */
.compare thead th {
  padding: 1.125rem 1.25rem;
  background: transparent;
  border-bottom: 2px solid var(--ink-900);
  color: var(--text-2);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.04em;
  text-align: left;
  white-space: nowrap;
}
.compare thead th:first-child {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
}
.compare thead th:nth-child(2) {
  color: var(--gold-600);
  background: rgba(197, 165, 114, 0.10);
  border-bottom-color: var(--gold-500);
}
/* 维度列：衬线标题 + 金色菱形引导点 */
.compare tbody th[scope="row"] {
  padding: 1.125rem 1.25rem;
  background: transparent;
  border-top: 1px solid var(--line);
  color: var(--text-1);
  font-family: var(--font-serif);
  font-weight: var(--fw-semibold);
  text-align: left;
  white-space: nowrap;
}
.compare tbody th[scope="row"]::before {
  content: "";
  display: inline-block;
  width: 0.3125rem;
  height: 0.3125rem;
  margin-right: 0.625rem;
  background: var(--gold-500);
  transform: rotate(45deg) translateY(-0.125rem);
}
.compare tbody td {
  padding: 1.125rem 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--text-2);
  line-height: 1.9;
  vertical-align: top;
}
/* 智宿云列高亮：金色淡底 + 左侧金线 */
.compare tbody td:nth-child(2) {
  background: rgba(197, 165, 114, 0.08);
  box-shadow: inset 2px 0 0 rgba(197, 165, 114, 0.55);
  color: var(--text-1);
  font-weight: var(--fw-medium);
}
.compare tbody tr:last-child th[scope="row"],
.compare tbody tr:last-child td { border-bottom: 1px solid var(--line); }
.compare tbody tr:hover th[scope="row"],
.compare tbody tr:hover td { background-color: rgba(18, 36, 64, 0.025); }
.compare tbody tr:hover td:nth-child(2) { background-color: rgba(197, 165, 114, 0.14); }
@media (max-width: 640px) {
  .compare thead th { padding: 0.875rem 1rem; }
  .compare tbody th[scope="row"],
  .compare tbody td { padding: 0.875rem 1rem; }
}

/* ============================================================
   20. 方案优势对决 Versus（高冲击力对比卡 · 智宿云 vs 传统方案）
   ============================================================ */
.versus {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--shadow-s);
}
.versus__card { display: grid; grid-template-columns: 14rem 1.1fr 1fr; background: var(--white); }
/* 维度栏：墨蓝底 + 金色序号 */
.versus__dim {
  background: var(--ink-900);
  color: var(--white);
  padding: clamp(1.375rem, 2.4vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.625rem;
}
.versus__dim-no { font-family: var(--font-en); font-size: 0.8125rem; letter-spacing: 0.22em; color: var(--gold-500); }
.versus__dim-title { font-family: var(--font-serif); font-size: var(--fs-h4); font-weight: var(--fw-bold); line-height: 1.4; color: var(--white); }
/* 两侧方案 */
.versus__side { padding: clamp(1.375rem, 2.4vw, 2rem); }
.versus__side-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-tiny);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  margin-bottom: 0.625rem;
}
.versus__side-label::before { font-family: var(--font-sans); font-size: 0.875rem; line-height: 1; }
.versus__side p { font-size: var(--fs-small); line-height: 1.9; }
/* 智宿云：金色淡底 + 左侧金条 + 关键数字放大 */
.versus__side--ours { background: rgba(197, 165, 114, 0.08); box-shadow: inset 3px 0 0 var(--gold-500); }
.versus__side--ours .versus__side-label { color: var(--gold-600); }
.versus__side--ours .versus__side-label::before { content: "✓"; }
.versus__side--ours p { color: var(--text-1); font-weight: var(--fw-medium); }
.versus__side--ours b { color: var(--gold-600); font-family: var(--font-en); font-size: 1.3em; font-weight: var(--fw-bold); padding-inline: 0.1em; }
/* 传统方案：灰底弱化 */
.versus__side--theirs { background: var(--paper-2); }
.versus__side--theirs .versus__side-label { color: var(--text-3); }
.versus__side--theirs .versus__side-label::before { content: "✕"; }
.versus__side--theirs p { color: var(--text-3); }
/* 悬停微反馈 */
.versus__card:hover .versus__side--ours { background: rgba(197, 165, 114, 0.12); }
@media (max-width: 64rem) {
  .versus__card { grid-template-columns: 1fr; }
  .versus__dim { flex-direction: row; align-items: baseline; gap: 0.875rem; padding-block: 1rem; }
  .versus__side--theirs { border-top: 1px dashed var(--line-strong); }
}