/* Customer decision brief — the middle of the homepage reads as an evidence file. */
:root { --brief-gutter: max(clamp(1.25rem, 4vw, 4.5rem), calc((100vw - 1360px) / 2)); }

.decision-shift,
.problems-section,
.deliverables-section,
.workflow-section,
.collaboration-section,
.fit-section,
.offers-section,
.trust-section,
.boundaries-section,
.faq-section,
.insights-section {
  padding-inline: var(--brief-gutter);
}

main section[id],
main details[id] { scroll-margin-top: 6.5rem; }

.decision-shift h2 span,
.section-heading h2 span,
.workflow-intro h2 span,
.collaboration-heading h2 span,
.handover-heading h2 span,
.measurement-section h2 span,
.trust-copy h2 span,
.boundaries-copy h2 span,
.faq-heading h2 span,
.insights-head h2 span,
.offer-card h3 span {
  white-space: normal;

  /* 这里原来是 overflow-wrap: anywhere。它的本意是防溢出，代价是允许
     在任意位置断行——「品牌 采购 法务」被断成「品牌 采」「购 法务」，
     「边界讲得越清楚」被断成「边界讲」「得越清楚」，都是它放行的。
     中日韩文本本来就能在字与字之间换行，不需要 anywhere；真正该防的是
     长串拉丁字符，用 break-word 就够，它只在一行放不下时才拆单词。 */
  overflow-wrap: break-word;

  /* 万一还是需要断，按词组断而不是按字断（Chrome 119+；其余浏览器
     回落到默认的逐字换行，不会更糟）。 */
  line-break: strict;
  word-break: normal;
}

@supports (word-break: auto-phrase) {
  .decision-shift h2 span,
  .section-heading h2 span,
  .workflow-intro h2 span,
  .collaboration-heading h2 span,
  .handover-heading h2 span,
  .measurement-section h2 span,
  .trust-copy h2 span,
  .boundaries-copy h2 span,
  .faq-heading h2 span,
  .insights-head h2 span,
  .offer-card h3 span {
    word-break: auto-phrase;
  }
}

.decision-shift h2,
.workflow-intro h2,
.collaboration-heading h2,
.handover-heading h2,
.measurement-section h2,
.trust-copy h2,
.boundaries-copy h2 {
  margin: 0;
  /* 上限原来是 5rem（80px）。这几个标题都在窄栏里（426–554px），
     栏宽基本不随视口变，字号却一路涨——1600px 以上就装不下，
     作者手工断好的句子会被浏览器再断一次。
     收到 3.85rem：1440px 及以下渲染结果完全不变（那里 4.25vw = 61px），
     只是不再往上跑。 */
  font-size: clamp(2.85rem, 4.25vw, 3.85rem);
  line-height: 1.17;
  letter-spacing: -.058em;
}

/* FAQ 的标题栏是全站最窄的一个（426px），而它走的是 geo-site-v2.css
   里那条 5.3rem 上限的规则。单独收一档。 */
.faq-heading h2 {
  font-size: clamp(3rem, 4.4vw, 3.9rem);
}

.decision-shift p,
.deliverable-card p,
.workflow-step p,
.collaboration-card li,
.collaboration-notes li,
.handover-section p,
.handover-section li,
.measurement-section p,
.measurement-section li,
.fit-card li,
.fit-note p,
.offer-card p,
.offer-card li,
.trust-section p,
.trust-section li,
.boundary-list p,
.faq-list p,
.insight-card p { overflow-wrap: anywhere; }

.workflow-step summary,
.collaboration-notes summary,
.handover-matrix summary,
.measurement-section > summary,
.boundary-list summary,
.faq-list summary,
.button,
.text-link,
.text-button { min-height: 44px; }

.workflow-step summary:focus-visible,
.collaboration-notes summary:focus-visible,
.handover-matrix summary:focus-visible,
.measurement-section > summary:focus-visible,
.boundary-list summary:focus-visible,
.faq-list summary:focus-visible,
.deliverables-section a:focus-visible,
.offers-section a:focus-visible,
.trust-section a:focus-visible,
.insights-section a:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 4px;
}

/* 01 — the customer's buying journey */
.decision-shift {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: 3rem minmax(0, .88fr) minmax(27rem, 1.12fr);
  gap: clamp(2rem, 4.5vw, 5rem);
  align-items: center;
  min-height: 45rem;
  overflow: hidden;
}

.decision-shift-media { position: absolute; z-index: -2; inset: 0; margin: 0; }
.decision-shift-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.72) contrast(1.04); }
.decision-shift::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(243,240,233,.98) 0%, rgba(243,240,233,.93) 43%, rgba(243,240,233,.58) 100%), linear-gradient(180deg, rgba(243,240,233,.25), rgba(16,40,44,.12)); }
.decision-shift-copy { align-self: center; max-width: 41rem; }
.decision-shift-copy > p:not(.eyebrow) { max-width: 37rem; margin: 1.7rem 0 0; color: #535d5d; font-size: .96rem; line-height: 1.95; }
.decision-shift-copy .text-link { margin-top: 1.6rem; }
.decision-journey { border-top: 4px solid var(--red); color: #fff; background: #142f33; box-shadow: 0 2rem 5.5rem rgba(16,40,44,.2); }
.decision-journey > small { display: block; padding: 1rem 1.35rem; color: rgba(255,255,255,.56); border-bottom: 1px solid rgba(255,255,255,.14); font-size: .6rem; font-weight: 800; letter-spacing: .16em; }
.decision-journey article { display: grid; grid-template-columns: 5.4rem minmax(0, 1fr); gap: 1rem; align-items: center; min-height: 6.6rem; padding: 1.15rem 1.35rem; border-bottom: 1px solid rgba(255,255,255,.14); }
.decision-journey article span { color: #ef5964; font-size: .62rem; font-weight: 800; letter-spacing: .12em; }
.decision-journey article p { margin: 0; color: rgba(255,255,255,.91); font-family: var(--display); font-size: clamp(1rem, 1.2vw, 1.25rem); font-weight: 650; line-height: 1.55; }
.decision-journey-note { margin: 0; padding: 1.1rem 1.35rem; color: rgba(255,255,255,.66); background: rgba(255,255,255,.045); font-size: .75rem; line-height: 1.8; }

/* 02 — four equal risk scenes */
.problems-section { padding-top: clamp(4.5rem, 7vw, 7rem); background: #f5f2eb; }
.problems-section .section-heading { margin-bottom: 3rem; }
.problem-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); min-height: 0; gap: 1px; background: rgba(17,23,25,.18); }
.problem-card { min-width: 0; min-height: 32rem; padding: clamp(1.35rem, 2vw, 2rem); border: 0; }
.problem-card.business { color: var(--ink); background: #d9d4ca; }
.problem-card h3 { font-size: clamp(2rem, 2.65vw, 3rem); line-height: 1.05; }
.problem-card p { margin: .9rem 0; font-size: .79rem; line-height: 1.78; opacity: .82; }
.problem-card b { font-size: .77rem; line-height: 1.6; }
.problem-scene { inset: 0 0 46%; }
.problem-scene::after { inset: 45% 0 0; }
.problem-card.business .problem-scene::after { background: linear-gradient(180deg, rgba(217,212,202,0), #d9d4ca 92%); }
.decision-scene { grid-template-columns: minmax(0, 1.1fr) 6rem minmax(0, 1fr) minmax(10rem, .6fr); gap: 1.5rem; padding: 1.6rem 2rem; }
.decision-scene > p { font-size: .86rem; line-height: 1.7; }

/* 03 — eight concrete delivery files */
.deliverables-section { background: #e9e4da; }
.deliverable-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; overflow: hidden; background: rgba(17,23,25,.18); border: 1px solid rgba(17,23,25,.18); }
.deliverable-card { position: relative; display: flex; min-width: 0; min-height: 20rem; flex-direction: column; padding: clamp(1.35rem, 2.1vw, 2.1rem); background: #f8f5ee; }
.deliverable-card:nth-child(4n + 2), .deliverable-card:nth-child(4n + 3) { background: #f2eee6; }
.deliverable-card::after { content: ""; position: absolute; right: 0; bottom: 0; width: 2.6rem; height: 2.6rem; border-right: 2px solid var(--red); border-bottom: 2px solid var(--red); opacity: .28; }
.deliverable-card header { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: .9rem; border-bottom: 1px solid var(--line); }
.deliverable-card header span { color: var(--red); font-family: var(--display); font-size: 1rem; font-variant-numeric: tabular-nums; }
.deliverable-card header small { color: #5d6666; font-size: .58rem; font-weight: 800; letter-spacing: .12em; text-align: right; }
.deliverable-card h3 { margin: 1.8rem 0 .75rem; font-family: var(--display); font-size: clamp(1.25rem, 1.55vw, 1.65rem); line-height: 1.35; }
.deliverable-card p { margin: 0; color: #596262; font-size: .78rem; line-height: 1.82; }
.deliverable-card > b { width: fit-content; margin-top: auto; padding: .36rem .55rem; color: var(--red-dark); background: rgba(189,10,26,.07); border-left: 2px solid var(--red); font-size: .64rem; line-height: 1.5; }

/* 04 — eight-step operating method, details stay native and optional */
.workflow-section { display: grid; grid-template-columns: minmax(18rem, .72fr) minmax(0, 1.28fr); gap: clamp(3rem, 5vw, 6rem); align-items: start; color: #fff; background: #10282c; }
.workflow-intro { position: sticky; top: 7rem; }
.workflow-intro > p:not(.eyebrow) { margin: 1.6rem 0 0; color: rgba(255,255,255,.72); font-size: .9rem; line-height: 1.95; }
.workflow-intro > small { display: block; margin-top: 1.3rem; padding-left: .9rem; color: rgba(255,255,255,.58); border-left: 2px solid var(--red); font-size: .68rem; line-height: 1.75; }
.workflow-media { position: relative; aspect-ratio: 16 / 8.5; margin: 0 0 2rem; overflow: hidden; border-bottom: 3px solid var(--red); }
.workflow-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.06); }
.workflow-media::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 -4rem 6rem rgba(16,40,44,.36); }
.workflow-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.16); }
.workflow-step { position: relative; display: flex; min-width: 0; min-height: 17rem; flex-direction: column; padding: clamp(1.25rem, 2vw, 2rem); background: #17363a; }
.workflow-step > span { color: #ef5964; font-family: var(--display); font-size: .8rem; font-variant-numeric: tabular-nums; }
.workflow-step h3 { margin: 1.4rem 0 .65rem; font-family: var(--display); font-size: clamp(1.2rem, 1.55vw, 1.65rem); line-height: 1.4; }
.workflow-step > p { margin: 0; color: rgba(255,255,255,.72); font-size: .76rem; line-height: 1.8; }
.workflow-step details { margin-top: auto; border-top: 1px solid rgba(255,255,255,.16); }
.workflow-step summary { position: relative; display: flex; align-items: center; padding: .72rem 2rem .72rem 0; color: #fff; cursor: pointer; list-style: none; font-size: .75rem; font-weight: 750; line-height: 1.55; }
.workflow-step summary::-webkit-details-marker { display: none; }
.workflow-step summary::after { content: "+"; position: absolute; right: 0; font-size: 1.05rem; font-weight: 400; transition: transform .2s ease; }
.workflow-step details[open] summary::after { transform: rotate(45deg); }
.workflow-step details p { margin: 0; padding: 0 0 .85rem; color: rgba(255,255,255,.66); font-size: .75rem; line-height: 1.75; }

/* 05 — client collaboration, approvals and handover */
.collaboration-section { background: #f5f2eb; }
.collaboration-heading { display: grid; grid-template-columns: minmax(19rem, .78fr) minmax(0, 1.22fr); column-gap: clamp(3rem, 6vw, 7rem); align-items: end; margin-bottom: 3.5rem; }
.collaboration-media { grid-column: 1; grid-row: 1 / span 3; align-self: stretch; min-height: 22rem; margin: 0; overflow: hidden; border-bottom: 4px solid var(--red); }
.collaboration-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.76) contrast(1.04); }
.collaboration-heading > .eyebrow, .collaboration-heading > h2, .collaboration-heading > p { grid-column: 2; }
.collaboration-heading > p:not(.eyebrow) { margin: 1.4rem 0 0; color: #556060; font-size: .92rem; line-height: 1.95; }
.collaboration-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.collaboration-card { min-width: 0; padding: clamp(1.35rem, 2vw, 2rem); background: #fffdfa; }
.collaboration-card:nth-child(even) { background: #eee9df; }
.collaboration-card > small { color: var(--red); font-size: .6rem; font-weight: 800; letter-spacing: .12em; }
.collaboration-card h3 { margin: .85rem 0 1.2rem; font-family: var(--display); font-size: clamp(1.25rem, 1.55vw, 1.6rem); line-height: 1.35; }
.collaboration-card ul, .collaboration-notes ul { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.collaboration-card li, .collaboration-notes li { position: relative; padding-left: .9rem; color: #596363; font-size: .77rem; line-height: 1.72; }
.collaboration-card li::before, .collaboration-notes li::before { content: ""; position: absolute; left: 0; top: .72em; width: .34rem; height: 1px; background: var(--red); }
.collaboration-notes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 1px; background: var(--line); }
.collaboration-notes > details, .collaboration-owner { min-width: 0; padding: 1rem 1.2rem; background: #e6e1d7; }
.collaboration-notes summary { position: relative; display: flex; align-items: center; padding-right: 1.6rem; cursor: pointer; list-style: none; font-family: var(--display); font-size: .94rem; font-weight: 700; line-height: 1.45; }
.collaboration-notes summary::-webkit-details-marker { display: none; }
.collaboration-notes summary::after { content: "+"; position: absolute; right: 0; font-family: var(--sans); font-size: 1.1rem; font-weight: 400; transition: transform .2s ease; }
.collaboration-notes details[open] summary::after { transform: rotate(45deg); }
.collaboration-notes ul { margin-top: .8rem; }
.collaboration-owner { color: #fff; background: var(--red); }
.collaboration-owner h3 { margin: 0; font-family: var(--display); font-size: 1rem; }
.collaboration-owner p { margin: .55rem 0 0; color: rgba(255,255,255,.86); font-size: .76rem; line-height: 1.75; }

.handover-section { margin-top: clamp(3.5rem, 6vw, 6rem); padding: clamp(1.5rem, 3vw, 3rem); color: #fff; background: #10282c; box-shadow: 0 2rem 5.5rem rgba(16,40,44,.14); }
.handover-heading { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr); gap: 1rem 4rem; align-items: end; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,.16); }
.handover-heading .eyebrow, .handover-heading h2 { grid-column: 1; }
.handover-heading > p:not(.eyebrow) { grid-column: 2; grid-row: 1 / span 2; margin: 0; color: rgba(255,255,255,.68); font-size: .82rem; line-height: 1.9; }
.handover-matrix { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: 1px; background: rgba(255,255,255,.16); }
.handover-matrix details { min-width: 0; padding: 1.1rem; background: #17363a; }
.handover-matrix summary { position: relative; display: grid; grid-template-columns: 2.2rem minmax(0, 1fr); gap: .4rem .7rem; align-content: start; padding-right: 1.2rem; cursor: pointer; list-style: none; }
.handover-matrix summary::-webkit-details-marker { display: none; }
.handover-matrix summary::after { content: "+"; position: absolute; top: .45rem; right: 0; font-size: 1rem; font-weight: 400; transition: transform .2s ease; }
.handover-matrix details[open] summary::after { transform: rotate(45deg); }
.handover-matrix summary span { grid-row: 1 / span 2; color: #ef5964; font-family: var(--display); font-size: .72rem; }
.handover-matrix summary b { font-family: var(--display); font-size: 1rem; line-height: 1.45; }
.handover-matrix summary small { color: rgba(255,255,255,.66); font-size: .72rem; line-height: 1.65; }
.handover-matrix details > p { margin: .75rem 0 0; padding-top: .75rem; color: rgba(255,255,255,.7); border-top: 1px solid rgba(255,255,255,.12); font-size: .72rem; line-height: 1.7; }
.handover-matrix details > strong { display: block; margin-top: .7rem; color: #fff; font-size: .72rem; line-height: 1.65; }
.first-meeting { margin-top: 1px; padding: 1.5rem; color: var(--ink); background: #eee9df; }
.first-meeting > small { color: var(--red); font-size: .58rem; font-weight: 800; letter-spacing: .13em; }
.first-meeting h3 { margin: .55rem 0 1rem; font-family: var(--display); font-size: 1.25rem; }
.first-meeting ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 1px; margin: 0 0 1.2rem; padding: 1px; background: var(--line); list-style: none; }
.first-meeting li { min-width: 0; padding: .75rem; color: #505a5a; background: #f8f5ee; font-size: .74rem; line-height: 1.7; }
.first-meeting > b { color: var(--red-dark); font-size: .7rem; }
.first-meeting > p { margin: .35rem 0 0; color: #535d5d; font-size: .76rem; }

/* 06 — acceptance metrics and sample report */
.measurement-section { margin-top: 1px; color: #fff; background: #19383c; }
.measurement-section > summary { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(20rem, .65fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; min-height: 22rem; padding: clamp(1.5rem, 3.5vw, 3.5rem) clamp(3.5rem, 6vw, 6rem) clamp(1.5rem, 3.5vw, 3.5rem) clamp(1.5rem, 3.5vw, 3.5rem); cursor: pointer; list-style: none; }
.measurement-section > summary::-webkit-details-marker { display: none; }
.measurement-section > summary::after { content: "+"; position: absolute; top: 1.5rem; right: 1.5rem; display: grid; width: 2.5rem; height: 2.5rem; place-items: center; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; font-size: 1.4rem; font-weight: 300; transition: transform .25s ease, color .25s ease, background .25s ease; }
.measurement-section[open] > summary::after { color: var(--deep); background: #fff; transform: rotate(45deg); }
.measurement-section > summary p:not(.eyebrow) { max-width: 42rem; margin: 1.25rem 0 0; color: rgba(255,255,255,.7); font-size: .86rem; line-height: 1.9; }
.measurement-section > summary figure { position: relative; aspect-ratio: 16 / 8; margin: 0; overflow: hidden; border-bottom: 3px solid var(--red); }
.measurement-section > summary img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.7) contrast(1.06); }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 1px; background: rgba(255,255,255,.16); }
.metric-card { min-width: 0; min-height: 12.5rem; padding: 1.35rem; color: var(--ink); background: #f8f5ee; }
.metric-card > span { color: var(--red); font-family: var(--display); font-size: .72rem; }
.metric-card h3 { margin: 1.1rem 0 .55rem; font-family: var(--display); font-size: 1.08rem; line-height: 1.4; }
.metric-card p { margin: 0; color: #596262; font-size: .75rem; line-height: 1.75; }
.measurement-rules { padding: 1.5rem; color: var(--ink); background: #e8e3d9; }
.measurement-rules h3 { margin: 0; font-family: var(--display); font-size: 1.2rem; }
.measurement-rules ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem 1.5rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.measurement-rules li { position: relative; padding-left: .9rem; color: #505a5a; font-size: .76rem; line-height: 1.7; }
.measurement-rules li::before { content: ""; position: absolute; left: 0; top: .7em; width: .32rem; height: .32rem; background: var(--red); transform: rotate(45deg); }
.report-sample { position: relative; padding: clamp(1.5rem, 3vw, 2.5rem); color: var(--ink); background: #fffdfa; border: 1px solid var(--line); }
.report-sample::before { content: ""; position: absolute; top: -1px; left: -1px; width: 5rem; height: 4px; background: var(--red); }
.report-sample > small { color: var(--red); font-size: .58rem; font-weight: 800; letter-spacing: .13em; }
.report-sample h3 { margin: .75rem 0 1rem; font-family: var(--display); font-size: clamp(1.3rem, 1.8vw, 1.8rem); line-height: 1.4; }
.report-sample ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin: 0; padding: 1px; background: var(--line); list-style-position: inside; }
.report-sample ol li { min-width: 0; padding: .8rem; color: #505a5a; background: #f4f0e8; font-size: .74rem; line-height: 1.65; }
.report-sample > p { margin: 1rem 0 0; color: #596262; font-size: .76rem; line-height: 1.8; }

/* 07 — fit, entry route and public evidence */
.fit-section { background: #e9e4da; }
.fit-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.fit-card { min-width: 0; padding: clamp(1.5rem, 3vw, 3rem); background: #fffdfa; }
.fit-card.pause { background: #f4eee5; }
.fit-card h3 { margin: 0 0 1.3rem; padding-bottom: 1rem; border-bottom: 3px solid #356c5e; font-family: var(--display); font-size: clamp(1.35rem, 2vw, 2rem); }
.fit-card.pause h3 { border-color: var(--red); }
.fit-card ul { display: grid; gap: .75rem; margin: 0; padding: 0; list-style: none; }
.fit-card li { position: relative; padding-left: 1.1rem; color: #505a5a; font-size: .8rem; line-height: 1.75; }
.fit-card li::before { content: ""; position: absolute; left: 0; top: .65em; width: .45rem; height: .45rem; border: 1px solid #356c5e; border-radius: 50%; }
.fit-card.pause li::before { border-color: var(--red); }
.fit-note { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 1.2rem; align-items: center; margin-top: 1px; padding: 1.1rem 1.4rem; color: #fff; background: var(--red); }
.fit-note small { font-size: .58rem; font-weight: 800; letter-spacing: .12em; }
.fit-note p { margin: 0; color: rgba(255,255,255,.88); font-size: .78rem; line-height: 1.75; }

.offers-section { background: #f8f6f1; }
.offers-media { position: relative; height: clamp(10rem, 18vw, 15rem); margin: 0 0 1px; overflow: hidden; border-bottom: 4px solid var(--red); }
.offers-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.72) contrast(1.05); }
.offers-media::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 -5rem 8rem rgba(16,40,44,.22); }
.offer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.offer-card { min-width: 0; min-height: 31rem; }
.offer-card.featured { transform: none; }
.offer-card > b { width: fit-content; margin-top: 1.1rem; padding: .32rem .5rem; color: var(--red-dark); background: rgba(189,10,26,.08); font-size: .6rem; line-height: 1.5; }
.offer-card.featured > b { color: #fff; background: rgba(255,255,255,.1); }
.offer-card h3 { margin: 1.5rem 0 .8rem; font-size: clamp(1.7rem, 2.35vw, 2.55rem); }
.offer-card p { margin: 0; font-size: .8rem; line-height: 1.8; }
.offer-card ul { gap: .6rem; margin: 1.5rem 0; }
.offer-card li { color: #4d5858; font-size: .77rem; line-height: 1.65; }
.offer-card.featured li { color: rgba(255,255,255,.8); }

.trust-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(25rem, 1.1fr); gap: clamp(3rem, 7vw, 8rem); align-items: center; background: #f3f0e9; }
.trust-copy > p:not(.eyebrow) { margin: 1.5rem 0 0; color: #566060; font-size: .9rem; line-height: 1.95; }
.trust-copy figure { position: relative; aspect-ratio: 16 / 7; margin: 2rem 0 0; overflow: hidden; border-bottom: 4px solid var(--red); }
.trust-copy figure img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.75) contrast(1.04); }
.trust-sample { box-shadow: 0 2rem 5rem rgba(16,40,44,.12); }
.trust-sample > p { color: #566060; font-size: .78rem; line-height: 1.8; }
.trust-sample > b { display: inline-block; margin-top: .6rem; padding: .4rem .6rem; color: #7a111a; background: #f5dfe0; font-size: .65rem; line-height: 1.5; }
.trust-sample h4 { margin: 1.4rem 0 .75rem; font-family: var(--display); font-size: 1rem; }
.trust-sample ul { display: grid; gap: .55rem; margin: 0; padding: 0; list-style: none; }
.trust-sample li { position: relative; padding-left: .9rem; color: #505a5a; font-size: .76rem; line-height: 1.7; }
.trust-sample li::before { content: ""; position: absolute; left: 0; top: .7em; width: .35rem; height: 1px; background: var(--red); }

/* 08 — equal-width newsroom cards, boundaries and FAQ */
.insights-section { padding-block: clamp(5.5rem, 8vw, 8rem); }
.insight-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.insight-card { min-width: 0; min-height: 27rem; }
.insight-card h3 { font-size: clamp(1.55rem, 2.15vw, 2.45rem); overflow-wrap: anywhere; }
.insight-card p { color: rgba(255,255,255,.72); font-size: .82rem; line-height: 1.78; }
.insights-all-link { display: inline-flex; margin-top: 34px; color: #fff; border-color: rgba(255,255,255,.35); }

.boundaries-section { display: grid; grid-template-columns: minmax(19rem, .75fr) minmax(0, 1.25fr); gap: clamp(3rem, 7vw, 8rem); color: #fff; background: #10282c; }
.boundaries-copy > p:not(.eyebrow) { margin: 1.4rem 0 0; color: rgba(255,255,255,.7); font-size: .88rem; line-height: 1.9; }
.boundaries-copy figure { position: relative; aspect-ratio: 16 / 8; margin: 2rem 0 0; overflow: hidden; border-bottom: 3px solid var(--red); }
.boundaries-copy figure img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.7) contrast(1.06); }
.boundary-list { border-top: 1px solid rgba(255,255,255,.18); }
.boundary-list details { border-bottom: 1px solid rgba(255,255,255,.18); }
.boundary-list summary { position: relative; display: grid; grid-template-columns: 3rem minmax(0, 1fr) 1.5rem; gap: 1rem; align-items: center; padding: 1rem 0; cursor: pointer; list-style: none; font-family: var(--display); font-size: 1.02rem; font-weight: 700; line-height: 1.5; }
.boundary-list summary::-webkit-details-marker { display: none; }
.boundary-list summary span { color: #ef5964; font-family: var(--sans); font-size: .64rem; }
.boundary-list summary::after { content: "+"; justify-self: end; font-family: var(--sans); font-size: 1.2rem; font-weight: 300; transition: transform .2s ease; }
.boundary-list details[open] summary::after { transform: rotate(45deg); }
.boundary-list details p { margin: 0 0 1.2rem 4rem; color: rgba(255,255,255,.65); font-size: .76rem; line-height: 1.8; }

.faq-section { grid-template-columns: minmax(18rem, .7fr) minmax(0, 1.3fr); }
.faq-list summary { min-height: 5rem; line-height: 1.55; }
.faq-list details p { color: #566060; font-size: .84rem; line-height: 1.85; }

@media (hover: hover) {
  .deliverable-card { transition: color .25s ease, background .25s ease, transform .25s var(--ease), box-shadow .25s ease; }
  .deliverable-card:hover { z-index: 2; color: #fff; background: var(--deep); box-shadow: 0 1.4rem 3.5rem rgba(16,40,44,.18); transform: translateY(-.25rem); }
  .deliverable-card:hover p { color: rgba(255,255,255,.72); }
  .deliverable-card:hover header { border-color: rgba(255,255,255,.18); }
  .deliverable-card:hover header small { color: rgba(255,255,255,.6); }
  .deliverable-card:hover > b { color: #fff; background: rgba(255,255,255,.1); }
  .workflow-step { transition: background .25s ease; }
  .workflow-step:hover { background: #1d4146; }
  .collaboration-card { transition: background .25s ease, transform .25s var(--ease), box-shadow .25s ease; }
  .collaboration-card:hover { z-index: 2; background: #fff; box-shadow: 0 1.2rem 3.2rem rgba(16,40,44,.12); transform: translateY(-.2rem); }
}

/* Two-column brief at tablet and compact desktop widths. */
@media (min-width: 881px) and (max-width: 1119px) {
  .decision-shift { grid-template-columns: minmax(0, .9fr) minmax(23rem, 1.1fr); }
  .decision-shift .section-index { display: none; }
  .problem-grid,
  .deliverable-grid,
  .collaboration-grid,
  .collaboration-notes,
  .handover-matrix,
  .metric-grid,
  .insight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workflow-section { grid-template-columns: 1fr; }
  .workflow-intro { position: static; display: grid; grid-template-columns: minmax(17rem, .7fr) minmax(0, 1.3fr); gap: 0 3rem; align-items: end; }
  .workflow-media { grid-column: 1; grid-row: 1 / span 4; align-self: stretch; margin: 0; }
  .workflow-intro > .eyebrow, .workflow-intro > h2, .workflow-intro > p, .workflow-intro > small { grid-column: 2; }
  .workflow-grid { margin-top: 2.5rem; }
  .offer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .offer-card:last-child { grid-column: 1 / -1; min-height: 25rem; }
}

@media (max-width: 880px) {
  .decision-shift,
  .problems-section,
  .deliverables-section,
  .workflow-section,
  .collaboration-section,
  .fit-section,
  .offers-section,
  .trust-section,
  .boundaries-section,
  .faq-section,
  .insights-section { padding: 4.75rem 1.25rem; }

  .decision-shift { grid-template-columns: 1fr; min-height: 0; }
  .decision-shift::after { background: linear-gradient(180deg, rgba(243,240,233,.96), rgba(243,240,233,.82)); }
  .decision-shift-copy { max-width: 42rem; }
  .decision-journey { max-width: 42rem; }
  .problem-grid,
  .collaboration-grid,
  .collaboration-notes,
  .handover-matrix,
  .metric-grid,
  .measurement-rules ul,
  .report-sample ol,
  .insight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .problem-card { min-height: 30rem; }
  .decision-scene { grid-template-columns: 1fr; }
  .decision-path { width: 3rem; margin-left: 1rem; transform: rotate(90deg); }
  .deliverable-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workflow-section { grid-template-columns: 1fr; gap: 2.5rem; }
  .workflow-intro { position: static; }
  .workflow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .collaboration-heading { grid-template-columns: 1fr; }
  .collaboration-media { grid-column: 1; grid-row: auto; min-height: 0; aspect-ratio: 16 / 8; }
  .collaboration-heading > .eyebrow, .collaboration-heading > h2, .collaboration-heading > p { grid-column: 1; }
  .collaboration-heading > .eyebrow { margin-top: 2rem; }
  .handover-heading { grid-template-columns: 1fr; }
  .handover-heading .eyebrow, .handover-heading h2, .handover-heading > p:not(.eyebrow) { grid-column: 1; grid-row: auto; }
  .handover-heading > p:not(.eyebrow) { margin-top: 1rem; }
  .measurement-section > summary { grid-template-columns: 1fr; padding-right: 4rem; }
  .fit-grid, .trust-section, .boundaries-section, .faq-section { grid-template-columns: 1fr; }
  .fit-note { grid-template-columns: 1fr; gap: .4rem; }
  .offer-grid { grid-template-columns: 1fr; }
  .offer-card { min-height: 29rem; }
  .trust-section, .boundaries-section { gap: 3rem; }
  .faq-heading { position: static; }
  .faq-media { aspect-ratio: 16 / 8; }
}

/* At 390px, only compact archives and metrics remain two columns. */
@media (max-width: 620px) {
  .decision-shift,
  .problems-section,
  .deliverables-section,
  .workflow-section,
  .collaboration-section,
  .fit-section,
  .offers-section,
  .trust-section,
  .boundaries-section,
  .faq-section,
  .insights-section { padding: 4rem 1rem; }

  .decision-shift h2,
  .section-heading h2,
  .workflow-intro h2,
  .collaboration-heading h2,
  .handover-heading h2,
  .measurement-section h2,
  .trust-copy h2,
  .boundaries-copy h2,
  .faq-heading h2,
  .insights-head h2 { font-size: clamp(2.25rem, 10.5vw, 3.15rem); line-height: 1.2; }

  .section-heading { margin-bottom: 2.5rem; }
  .decision-journey article { grid-template-columns: 4.3rem minmax(0, 1fr); min-height: 5.8rem; padding: 1rem; }
  .decision-journey > small, .decision-journey-note { padding-inline: 1rem; }
  .problem-grid,
  .workflow-grid,
  .collaboration-grid,
  .collaboration-notes,
  .handover-matrix,
  .measurement-rules ul,
  .report-sample ol,
  .fit-grid,
  .insight-grid { grid-template-columns: 1fr; }

  .problem-card { display: block; min-height: 0; padding: 0 1.2rem 1.45rem; }
  .problem-scene { position: relative; inset: auto; width: calc(100% + 2.4rem); aspect-ratio: 4 / 3; margin: 0 -1.2rem 1.3rem; }
  .problem-scene::after { inset: auto 0 0; height: 3.5rem; }
  .problem-card h3 { font-size: 2.55rem; }
  .problem-card p { max-width: none; }
  .problem-card b { display: block; }
  .problem-no { top: .8rem; right: .8rem; }
  .decision-scene { padding: 1.35rem; }

  .deliverable-card { min-height: 17rem; padding: 1.15rem; }
  .deliverable-card h3 { margin-top: 1.25rem; font-size: 1.18rem; }
  .deliverable-card p { font-size: .8rem; line-height: 1.7; }
  .deliverable-card > b { margin-top: 1rem; font-size: .59rem; }
  .workflow-step { min-height: 15rem; }
  .collaboration-media { aspect-ratio: 4 / 3; }
  .collaboration-card, .collaboration-notes > details, .collaboration-owner { padding: 1.2rem; }
  .handover-section { margin-inline: -1rem; padding: 1rem; }
  .handover-heading { padding: 1rem 0 1.5rem; }
  .first-meeting { padding: 1.1rem; }
  .first-meeting ul { grid-template-columns: 1fr; }
  .measurement-section { margin-inline: -1rem; }
  .measurement-section > summary { min-height: 0; padding: 1.4rem 3.8rem 1.4rem 1.2rem; }
  .measurement-section > summary::after { top: 1rem; right: 1rem; width: 2.2rem; height: 2.2rem; }
  .measurement-section > summary figure { aspect-ratio: 4 / 3; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-card { min-height: 12rem; padding: 1rem; }
  .metric-card h3 { font-size: .98rem; }
  .metric-card p { font-size: .78rem; }
  .measurement-rules, .report-sample { padding: 1.2rem; }
  .fit-card { padding: 1.35rem; }
  .fit-note { padding: 1rem; }
  .offers-media { height: 10rem; }
  .offer-card { min-height: 0; padding: 1.35rem; }
  .offer-card .button { margin-top: 1.5rem; }
  .trust-copy figure, .boundaries-copy figure { aspect-ratio: 4 / 3; }
  .insight-card { min-height: 25rem; }
  .boundary-list summary { grid-template-columns: 2.2rem minmax(0, 1fr) 1.2rem; gap: .65rem; font-size: .94rem; }
  .boundary-list details p { margin-left: 2.85rem; }
  .faq-list summary { grid-template-columns: 2rem minmax(0, 1fr) 1.5rem; min-height: 4.8rem; gap: .7rem; font-size: .98rem; }
  .faq-list details p { margin: 0 .2rem 0 2.7rem; padding-bottom: 1.5rem; font-size: .78rem; }
}

/* A 320px viewport gets a strict single-column document. */
@media (max-width: 349px) {
  .deliverable-grid,
  .metric-grid { grid-template-columns: 1fr; }
  .deliverable-card, .metric-card { min-height: 0; }
  .decision-journey article { grid-template-columns: 1fr; gap: .35rem; }
  .problem-card h3 { font-size: 2.25rem; }
}

/* The document is useful without animation, scripts or a screen renderer. */
html.no-js .reveal,
html.no-js .hero-reveal,
html:not(.js) .reveal { opacity: 1; transform: none; animation: none; }

@media (prefers-reduced-motion: reduce) {
  .problem-card:hover,
  .deliverable-card:hover,
  .collaboration-card:hover,
  .insight-card:hover { transform: none; }
}

@media print {
  html { scroll-behavior: auto; }
  body { color: #111; background: #fff; font-size: 10pt; }
  body::before, .site-header, .global-contact, .contact-dock-noscript, .hero-media, .decision-shift-media { display: none !important; }
  .hero-reveal, .reveal, .reveal.visible { opacity: 1 !important; transform: none !important; animation: none !important; }
  .decision-shift, .problems-section, .deliverables-section, .workflow-section, .collaboration-section, .fit-section, .offers-section, .trust-section, .insights-section, .boundaries-section, .faq-section { padding: 1.2cm 0; color: #111; background: #fff; }
  .workflow-intro, .faq-heading { position: static; }
  .decision-shift, .workflow-section, .collaboration-heading, .trust-section, .boundaries-section, .faq-section { display: block; }
  .problem-grid, .deliverable-grid, .workflow-grid, .collaboration-grid, .collaboration-notes, .handover-matrix, .metric-grid, .fit-grid, .offer-grid, .insight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .problem-card, .deliverable-card, .workflow-step, .collaboration-card, .metric-card, .fit-card, .offer-card, .insight-card, .report-sample, details { break-inside: avoid; box-shadow: none !important; }
  details:not([open]) > :not(summary) { display: block !important; }
  .measurement-section > summary::after, .workflow-step summary::after, .collaboration-notes summary::after, .handover-matrix summary::after, .boundary-list summary::after, .faq-list summary i { display: none; }
  .workflow-section, .handover-section, .measurement-section, .insights-section, .boundaries-section { color: #111; background: #fff; border: 1px solid #777; }
  .workflow-step, .handover-matrix details, .decision-journey, .insight-card { color: #111; background: #f2f2f2; }
  .workflow-step p, .handover-section p, .handover-section li, .measurement-section p, .measurement-section li, .insight-card p, .boundaries-copy > p:not(.eyebrow), .boundary-list details p { color: #333; }
  a { color: #111; text-decoration: underline; }
}

/* 序号交给拉丁体。
 *
 * 这一层排在 geo-site-v2.css 之后，所以首页这几处序号要在这里再写一遍，
 * 否则会被本文件里原有的 var(--display) 盖回宋体。
 * 规则本身和 geo-site-v2.css 里那条一致：只换纯数字/字母的序号，中文不动。 */
.section-index,
.deliverable-card header span,
.workflow-step > span,
.handover-matrix summary span,
.boundary-list summary span,
.metric-card > span {
  font-family: var(--latin), var(--sans);
}