@charset "UTF-8";
/* ==========================================================================
   ATLAS.ti 子页面共享样式 page.css
   模版化区域：页面英雄区 / 面包屑 / 图文分栏 / 特性网格 / 媒体展示 /
              数据条 / CTA 区块 / 目录锚点 / FAQ 等，供所有子页面复用。
   依赖 common.css 中的设计令牌与基础组件。
   ========================================================================== */

/* ---------- 面包屑 ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  font-size: 13px; color: var(--ink-3); padding: 18px 24px 0; }
.breadcrumb a { color: var(--ink-3); transition: color .2s; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { color: var(--line); }
.breadcrumb span { color: var(--ink); font-weight: 600; }
@media (max-width: 560px) { .breadcrumb { padding-top: 14px; font-size: 12.5px; } }

/* ---------- 页面英雄区 page-hero ---------- */
.page-hero { position: relative; overflow: hidden;
  background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); }
.page-hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px;
  align-items: center; padding: 64px 0 72px; }
.page-hero--center .page-hero__inner { grid-template-columns: 1fr; max-width: 820px;
  margin: 0 auto; text-align: center; }
.page-hero__eyebrow { color: var(--brand); }
.page-hero h1 { font-size: clamp(32px, 4.6vw, 52px); line-height: 1.14; letter-spacing: -.02em; margin: 16px 0 18px; }
.page-hero__lead { font-size: 18px; color: var(--ink-3); max-width: 560px; margin-bottom: 28px; }
.page-hero--center .page-hero__lead { margin-left: auto; margin-right: auto; }
.page-hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.page-hero--center .page-hero__cta { justify-content: center; }
.page-hero__media img { width: 100%; border-radius: var(--radius-lg);
  border: 1px solid var(--line); box-shadow: var(--shadow-lg); }
.page-hero__badges { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; }
.page-hero__badges img { height: 46px; width: auto; }
.page-hero__badges .hint { font-size: 13px; color: var(--ink-3); }

/* ---------- 信任栏 trusted（与首页一致） ---------- */
.trusted { padding: 44px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.trusted__title { text-align: center; font-size: 14px; color: var(--ink-3); margin-bottom: 26px; letter-spacing: .02em; }
.trusted__logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 44px; }
.trusted__logos img { height: 30px; width: auto; opacity: .55; filter: grayscale(1); transition: opacity .25s, filter .25s; }
.trusted__logos img:hover { opacity: 1; filter: none; }
@media (max-width: 760px) { .trusted { padding: 32px 0; } .trusted__logos { gap: 28px 36px; } .trusted__logos img { height: 24px; opacity: .6; } }
@media (max-width: 480px) { .trusted__logos { gap: 22px 28px; } .trusted__logos img { height: 20px; } }

/* ---------- 锚点目录 toc ---------- */
.toc { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  padding: 22px 0; border-bottom: 1px solid var(--line); background: #fff; }
.toc a { font-size: 14px; font-weight: 600; color: var(--ink-2);
  padding: 8px 16px; border-radius: var(--radius-pill); border: 1px solid var(--line); background: #fff;
  transition: background .2s, color .2s, border-color .2s; }
.toc a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- 图文分栏 split（可左右交替） ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split + .split { margin-top: 72px; }
.split--reverse .split__media { order: -1; }
.split__eyebrow { color: var(--brand); }
.split h2 { font-size: clamp(26px, 3.2vw, 38px); margin: 12px 0 16px; letter-spacing: -.01em; }
.split h3 { font-size: 20px; margin: 18px 0 8px; }
.split p { color: var(--ink-3); margin-bottom: 14px; }
.split__media img { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow); }
.split__art { aspect-ratio: 4 / 3; border-radius: var(--radius-lg); border: 1px solid var(--line);
  background: radial-gradient(120% 120% at 100% 0, #fff, var(--bg-soft)); display: grid; place-items: center; box-shadow: var(--shadow); }

/* ---------- 重点清单（图标 + 文本） ---------- */
.bullets { display: grid; gap: 16px; margin-top: 8px; }
.bullet { display: flex; gap: 14px; }
.bullet__icon { width: 40px; height: 40px; flex-shrink: 0; border-radius: 11px;
  background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; }
.bullet__icon svg { width: 20px; height: 20px; }
.bullet b { display: block; color: var(--ink); font-size: 15.5px; margin-bottom: 2px; }
.bullet span { font-size: 14.5px; color: var(--ink-3); }

/* ---------- 特性网格 feature-grid ---------- */
.fgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.fgrid--2 { grid-template-columns: repeat(2, 1fr); }
.fitem { padding: 28px 26px; }
.fitem__icon { width: 48px; height: 48px; border-radius: 13px; background: var(--brand-soft);
  color: var(--brand); display: grid; place-items: center; margin-bottom: 16px; }
.fitem__icon svg { width: 24px; height: 24px; }
.fitem--blue .fitem__icon { background: var(--blue-soft); color: var(--blue); }
.fitem h3 { font-size: 18px; margin-bottom: 8px; }
.fitem p { font-size: 14.5px; color: var(--ink-3); }

/* ---------- 数据条 stat-band ---------- */
.statband { display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--ink); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.statband__item { padding: 30px 26px; text-align: center; border-right: 1px solid rgba(255,255,255,.1); }
.statband__item:last-child { border-right: 0; }
.statband__num { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: #fff; line-height: 1; }
.statband__num em { font-style: normal; color: var(--brand); }
.statband__label { margin-top: 8px; font-size: 13.5px; color: #9ca3af; }

/* ---------- CTA 区块（复用首页风格） ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--ink); color: #fff;
  border-radius: var(--radius-lg); padding: 52px; box-shadow: var(--shadow-lg); text-align: center; }
.cta-band::before { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  border-radius: 50%; background: radial-gradient(circle, rgba(227,6,19,.30), transparent 68%); }
.cta-band__inner { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: clamp(26px, 4vw, 38px); margin-bottom: 14px; }
.cta-band p { color: #cbd5e1; max-width: 620px; margin: 0 auto 28px; }
.cta-band__btns { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- 长文排版 prose ---------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose p { color: var(--ink-2); font-size: 16.5px; line-height: 1.9; margin-bottom: 20px; }
.prose h2 { font-size: 26px; margin: 40px 0 14px; letter-spacing: -.01em; }
.prose h3 { font-size: 20px; margin: 30px 0 10px; }
.prose blockquote { margin: 28px 0; padding: 18px 24px; border-left: 4px solid var(--brand);
  background: var(--bg-soft); border-radius: 0 var(--radius) var(--radius) 0; font-size: 17px; color: var(--ink); font-style: italic; }
.prose a { color: var(--brand); font-weight: 600; }
.prose a:hover { text-decoration: underline; }
.prose__meta { font-size: 14px; color: var(--ink-3); margin-bottom: 6px; }
.prose__divider { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.prose__about { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; margin-top: 22px; }
.prose__about h3 { margin-top: 0; }
.prose__about p { font-size: 14.5px; margin-bottom: 0; }

/* ---------- 媒体大图展示 ---------- */
.showcase img { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow-lg); }

/* ---------- FAQ / 列表手风琴（复用 seo 风格类名 .acc） ---------- */
.acc { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__q { display: flex; align-items: center; gap: 16px; width: 100%; text-align: left;
  padding: 22px 4px; background: none; border: 0; cursor: pointer; }
.acc__q span.t { flex: 1; font-size: 17px; font-weight: 700; color: var(--ink); }
.acc__icon { position: relative; width: 22px; height: 22px; flex-shrink: 0; }
.acc__icon::before, .acc__icon::after { content: ""; position: absolute; top: 50%; left: 50%;
  width: 13px; height: 2px; background: var(--ink-3); border-radius: 2px; transform: translate(-50%,-50%); transition: transform .3s var(--ease); }
.acc__icon::after { transform: translate(-50%,-50%) rotate(90deg); }
.acc__item.is-open .acc__icon::after { transform: translate(-50%,-50%) rotate(0); }
.acc__item.is-open .acc__q span.t { color: var(--brand); }
.acc__a { overflow: hidden; max-height: 0; transition: max-height .4s var(--ease); }
.acc__a p { color: var(--ink-3); padding: 0 4px 22px; margin: 0; }
.acc__item.is-open .acc__a { max-height: 520px; }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
  .fgrid, .fgrid--2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .page-hero__inner { grid-template-columns: 1fr; gap: 36px; padding: 44px 24px 52px; }
  .page-hero__media { order: -1; }
  .page-hero__copy { text-align: center; }
  .page-hero h1 { font-size: clamp(28px, 7vw, 40px); }
  .page-hero h1 br { display: none; }
  .page-hero__lead { margin-left: auto; margin-right: auto; font-size: 16px; }
  .page-hero__cta { justify-content: center; }
  .page-hero__badges { justify-content: center; }
  .page-hero__badges .hint { flex-basis: 100%; text-align: center; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split--reverse .split__media, .split__media { order: -1; }
}
@media (max-width: 560px) {
  .page-hero__inner { padding: 36px 24px 44px; }
  .page-hero__badges img { height: 38px; }
}
@media (max-width: 680px) {
  .fgrid, .fgrid--2 { grid-template-columns: 1fr; }
  .statband { grid-template-columns: 1fr; }
  .statband__item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .statband__item:last-child { border-bottom: 0; }
  .cta-band { padding: 40px 22px; }
  .cta-band__btns { flex-direction: column; }
  .cta-band__btns .btn { width: 100%; }
  .page-hero__cta { flex-direction: column; }
  .page-hero__cta .btn { width: 100%; justify-content: center; }
}