/* 客户成功页样式。
 * 版式按网页语法组织，不沿用 deck 的幻灯片语法（并排大数字配竖线、带箭头的三卡、
 * 四列图标卡、2×2 象限），也不复用产品页的「左文右 UI + 左右交替大板块」。
 * 全页只有一个卡片式主视觉（提升曲线），其余靠排版与留白分组。
 */

/* subpage-system.css 会给每个顶层 section 加 border-top；这一页改用交替底色分隔板块 */
.csd-page > section { border-top: 0; }
.csd-accept, .csd-guard-sec { background: #f6f8fd; }
/* 论证核心做成深色停顿点，全页唯一 */
.csd-pillars-sec { background: #101828; color: #e7ecf5; }
.csd-pillars-sec .csd-head h2, .csd-pillars-sec .csd-pillars h3 { color: #fff; }
.csd-pillars-sec .csd-pillars > article > p { color: #9fb0ca; }
.csd-pillars-sec .csd-chip { color: #9ab4ff; }
.csd-pillars-sec .csd-chip::before { background: #6b86ff; }

/* 信息图容器：白底卡，唯一的成块元素 */
.csd-fig { margin: 0; padding: 26px 30px; border: 1px solid #e6ebf4; border-radius: 20px; background: #fff; box-shadow: 0 12px 30px rgba(30, 42, 69, .05); }
.csd-fig svg { display: block; width: 100%; height: auto; }
.csd-fig-target { margin-top: 44px; }
.csd-fig-target figcaption { margin-top: 12px; color: #98a2b3; font-size: 12px; }
.csd-fig svg.csd-fig-portrait { display: none; }
.csd-guard-sec { padding: 96px 0 104px; }
.csd-fig-ring { margin-top: 48px; padding: 30px 24px 22px; }
.csd-fig-ring svg { max-width: 524px; margin-inline: auto; }
/* ---------- 首屏：左文案 + 右侧竖排承诺 ---------- */
.csd-page .voice-hero {
  display: block; min-height: 0; padding: 108px 0 88px;
  background: linear-gradient(180deg, #eef3fc 0%, #f7f9fe 52%, #ffffff 100%);
}
.csd-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr); gap: 68px; align-items: center; }
.csd-page .voice-hero h1 {
  max-width: 620px; margin: 0;
  font-size: clamp(32px, 3.7vw, 50px); line-height: 1.16; letter-spacing: -.045em;
}
.csd-page .voice-hero h1 em { display: block; color: #4f6fff; font-style: normal; }
.csd-hero-copy > p { max-width: 500px; margin: 22px 0 0; color: #5f6b7c; font-size: 17px; line-height: 1.75; }
.csd-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.csd-hero-media {
  display: grid; place-items: center; margin: 0; padding: 26px 34px;
  border-radius: 26px; background: radial-gradient(120% 120% at 70% 20%, #ffffff 0%, #eef3ff 55%, #e4ecff 100%);
}
.csd-hero-media img { display: block; width: 100%; max-width: 460px; height: auto; }

.csd-pledge { display: grid; grid-template-columns: auto auto minmax(0, 1fr); gap: 18px 76px; align-items: end; margin-top: 56px; padding-top: 34px; border-top: 1px solid #dbe3f3; }
.csd-pledge > div { display: grid; gap: 12px; }
.csd-pledge small { color: #5f6b7c; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.csd-pledge b { display: inline-flex; align-items: flex-end; color: #3157ff; font-size: clamp(38px, 4.2vw, 58px); font-weight: 700; line-height: 1; letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.csd-pledge b i { margin-right: 10px; padding-bottom: .1em; color: #8ea6ff; font-size: .52em; font-style: normal; font-weight: 500; }

/* 首屏两个承诺数字：滚动展示「承诺是下限，实际可到更高」 */
.csd-roll { display: block; height: 1em; overflow: hidden; }
.csd-roll > span { display: block; }
.csd-roll em { display: block; height: 1em; line-height: 1; font-style: normal; }
.csd-roll.is-rate > span { animation: csd-roll-9 2.25s steps(9) infinite; }
.csd-roll.is-acc > span { animation: csd-roll-20 5s steps(20) infinite; }
@keyframes csd-roll-9 { to { transform: translateY(-9em); } }
@keyframes csd-roll-20 { to { transform: translateY(-20em); } }
@media (prefers-reduced-motion: reduce) {
  .csd-roll > span { animation: none !important; }
}
.csd-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.csd-pledge > p { margin: 0; align-self: end; color: #5f6b7c; font-size: 14px; line-height: 1.6; text-align: right; }
.csd-pledge > p b { display: inline-flex; align-items: center; margin-bottom: 8px; padding: 5px 12px; border-radius: 99px; background: #e4ecff; color: #2449dc; font-size: 13px; font-weight: 700; letter-spacing: .01em; }
.csd-pledge > p b::before { content: ''; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: #2449dc; }
.csd-pledge > p span { display: block; }

/* ---------- 板块通用头 ---------- */
.csd-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 40px; }
.csd-head h2 { margin: 0; font-size: clamp(26px, 3vw, 40px); line-height: 1.18; letter-spacing: -.05em; }
.csd-head p { flex-basis: 100%; max-width: 700px; margin: 0; color: #667085; font-size: 16px; line-height: 1.75; }
.csd-head > a { color: #315dff; font-size: 14px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.csd-head > a:hover { text-decoration: underline; }

/* ---------- 左侧粘性标题 + 右侧内容（验收依据 / FAQ 共用） ---------- */
.csd-accept-grid { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: 80px; align-items: start; }
.csd-accept-grid > header { position: sticky; top: 112px; }
.csd-accept-grid > .csd-fig { grid-column: 2; }
.csd-accept-grid > header h2 { margin: 0; font-size: clamp(25px, 2.7vw, 36px); line-height: 1.22; letter-spacing: -.045em; }

.csd-accept { padding: 100px 0 104px; }
.csd-numlist { display: grid; gap: 34px; margin: 0; padding: 0; list-style: none; }
.csd-numlist > li { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 18px; align-items: start; }
.csd-numlist i { color: #c3d0e8; font: 700 22px/1 inherit; font-style: normal; letter-spacing: -.03em; }
.csd-numlist h3 { margin: 0 0 8px; font-size: 19px; font-weight: 700; letter-spacing: -.02em; }
.csd-numlist p { margin: 0; color: #667085; font-size: 15px; line-height: 1.75; }

/* ---------- 四项能力：无框，靠蓝色细竖线分组 ---------- */
.csd-pillars-sec { padding: 96px 0 100px; }
.csd-pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 34px 46px; }
.csd-pillars article { position: relative; display: flex; flex-direction: column; }
/* 列与列之间 3 条浅色分隔线，画在 gap 正中 */
.csd-pillars article:not(:first-child)::before {
  content: ''; position: absolute; left: -23px; top: 2px; bottom: 2px;
  width: 1px; background: rgba(255, 255, 255, .17);
}
.csd-pillars h3 { margin: 0 0 11px; font-size: 18px; font-weight: 700; line-height: 1.45; letter-spacing: -.025em; }
.csd-pillars > article > p { flex: 1; margin: 0 0 14px; color: #667085; font-size: 14px; line-height: 1.75; }
.csd-chip { margin: 0; color: #2449dc; font-size: 13px; font-weight: 650; letter-spacing: -.01em; }
.csd-chip::before { content: ''; display: inline-block; width: 6px; height: 6px; margin-right: 9px; border-radius: 2px; background: #4f6fff; vertical-align: 2px; }

/* ---------- 陪跑：主视觉曲线 ---------- */
.csd-loop-sec { padding: 104px 0 108px; }
.csd-trend { margin: 24px 0 0; padding: 26px 30px 22px; border: 1px solid #e6ebf4; border-radius: 20px; background: #fff; box-shadow: 0 12px 30px rgba(30, 42, 69, .05); }
.csd-trend figcaption { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.csd-trend figcaption b { font-size: 16px; font-weight: 700; letter-spacing: -.02em; }
.csd-trend figcaption span { color: #98a2b3; font-size: 12px; }
.csd-trend svg { display: block; width: 100%; height: auto; overflow: visible; }
.csd-trend-legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 8px; color: #667085; font-size: 12px; }
.csd-trend-legend span { display: inline-flex; align-items: center; gap: 7px; }
.csd-trend-legend span::before { content: ''; width: 15px; height: 3px; border-radius: 99px; background: #a8bcff; }
.csd-trend-legend .is-rate::before { background: #4f6fff; }

.csd-guard-sec .csd-head { margin-bottom: 8px; }
.csd-guard-wrap { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 50px; align-items: center; margin-top: 52px; }
.csd-guard-media { display: grid; place-items: center; margin: 0; padding: 20px 24px; border-radius: 22px; background: radial-gradient(120% 120% at 35% 25%, #ffffff 0%, #f2f6ff 60%, #e8efff 100%); }
.csd-guard-media img { display: block; width: 100%; height: auto; }
.csd-guard-row { display: grid; gap: 30px; }
.csd-guard-row h3 { margin: 0 0 10px; font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.csd-guard-row h3::before { content: ''; display: inline-block; width: 7px; height: 7px; margin-right: 10px; border-radius: 2px; background: #4f6fff; vertical-align: 2px; }
.csd-guard-row p { margin: 0; color: #667085; font-size: 14px; line-height: 1.75; }

/* ---------- 经营价值：三项服务价值汇入经营价值（视觉重点），收尾 CTA ---------- */
.csd-value-sec { padding: 104px 0 108px; }
.csd-vmap { display: grid; grid-template-columns: minmax(0, .9fr) 64px minmax(0, 1.1fr); align-items: stretch; }
.csd-vmap-base { display: grid; grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.csd-value-sec .csd-head h2 span { display: inline-block; }
.csd-vmap-base li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 18px; align-items: center; padding: 22px 26px; border: 1px solid #e6ebf4; border-radius: 18px; background: #fff; color: #101828; }
.csd-vmap-base h3 { margin: 0 0 6px; color: #101828; font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.csd-vmap-base p, .csd-vmap-goal > p { word-break: keep-all; overflow-wrap: anywhere; text-wrap: pretty; }
.csd-vmap-base p { margin: 0; color: #667085; font-size: 15px; line-height: 1.7; }
.csd-vmap-ico { display: grid; flex: none; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: #eef3ff; color: #3157ff; }
.csd-vmap-ico svg, .csd-vmap-hub svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* 汇流线：三条横线收成一束，箭头指向经营价值。行等高，行中心 = (高 - 2 × 16px 间距) / 6 */
.csd-vmap-link { position: relative; }
.csd-vmap-link i, .csd-vmap-link::before, .csd-vmap-link::after { content: ''; position: absolute; }
.csd-vmap-link i { left: 0; width: 50%; border-top: 2px solid #c9d6ff; }
.csd-vmap-link i:nth-child(1) { top: calc((100% - 32px) / 6 - 1px); }
.csd-vmap-link i:nth-child(2) { top: calc(50% - 1px); }
.csd-vmap-link i:nth-child(3) { top: calc(100% - (100% - 32px) / 6 - 1px); }
.csd-vmap-link::before { left: calc(50% - 1px); top: calc((100% - 32px) / 6 - 1px); bottom: calc((100% - 32px) / 6 - 1px); border-left: 2px solid #c9d6ff; }
.csd-vmap-link::after { left: 50%; right: 8px; top: calc(50% - 1px); border-top: 2px solid #3157ff; }
.csd-vmap-link b { position: absolute; right: 0; top: 50%; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 9px solid #3157ff; transform: translateY(-50%); }

.csd-vmap-goal { display: flex; flex-direction: column; padding: 34px 36px 36px; border: 1px solid #d6e0fb; border-radius: 24px; background: radial-gradient(circle at 1px 1px, rgba(49, 87, 255, .1) 1px, transparent 0) 0 0 / 18px 18px, linear-gradient(150deg, #f6f8ff 0%, #e8eeff 100%); }
.csd-vmap-goal h3 { margin: 0; color: #101828; font-size: 28px; font-weight: 600; line-height: 1.25; letter-spacing: -.03em; }
.csd-vmap-goal > p { margin: 8px 0 0; color: #5f6b7c; font-size: 15px; line-height: 1.7; }
.csd-vmap-flow { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) 96px minmax(0, 1.2fr); column-gap: 32px; align-items: center; margin-top: 28px; }
.csd-vmap-flow ul { display: grid; grid-auto-rows: minmax(0, 1fr); align-self: stretch; gap: 14px; margin: 0; padding: 0; list-style: none; }
.csd-vmap-flow li { position: relative; display: flex; align-items: center; padding: 13px 16px; border-radius: 12px; font-size: 15px; line-height: 1.4; word-break: keep-all; overflow-wrap: anywhere; }
.csd-vmap-flow .is-in li { border: 1px solid #e3e9f6; background: #fff; color: #475467; }
.csd-vmap-flow .is-out li { border: 1px solid #bfd0ff; background: #fff; color: #1f3fb8; font-weight: 600; box-shadow: 0 10px 22px rgba(49, 87, 255, .1); }
.csd-vmap-flow .is-in li::after { content: ''; position: absolute; left: 100%; top: 50%; width: 32px; margin-top: -1px; border-top: 2px dashed #a8bcff; }
.csd-vmap-flow .is-out li::before { content: ''; position: absolute; right: 100%; top: 50%; width: 32px; margin-top: -1px; border-top: 2px solid #3157ff; }
.csd-vmap-flow .is-out li::after { content: ''; position: absolute; left: -1px; top: 50%; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 7px solid #3157ff; transform: translate(-100%, -50%); }
.csd-vmap-hub { align-self: stretch; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; border-radius: 20px; background: #3157ff; color: #fff; box-shadow: 0 0 0 8px rgba(49, 87, 255, .1), 0 18px 34px rgba(49, 87, 255, .28); }
.csd-vmap-hub svg { width: 26px; height: 26px; }
.csd-vmap-hub b { font-size: 15px; font-weight: 600; white-space: nowrap; }

.csd-value-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; margin-top: 40px; padding: 22px 26px 22px 28px; border: 1px solid #e6ebf4; border-radius: 20px; background: #f8faff; }
.csd-value-cta p { display: flex; align-items: center; gap: 16px; margin: 0; color: #101828; font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.csd-value-cta > div { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- FAQ ---------- */
.csd-faq { padding: 104px 0 112px; }
.csd-faq-list details { border-bottom: 1px solid #e9edf5; }
.csd-faq-list details:first-child { border-top: 1px solid #e9edf5; }
.csd-faq-list summary { position: relative; padding: 20px 46px 20px 0; cursor: pointer; list-style: none; font-size: 16px; font-weight: 650; letter-spacing: -.01em; }
.csd-faq-list summary::-webkit-details-marker { display: none; }
.csd-faq-list summary::after { content: '+'; position: absolute; right: 6px; top: 16px; color: #315dff; font-size: 20px; }
.csd-faq-list details[open] summary::after { content: '−'; }
.csd-faq-list p { margin: -4px 46px 20px 0; color: #667085; font-size: 14px; line-height: 1.8; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .csd-pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 56px; }
  .csd-pillars article:not(:first-child)::before { left: -28px; }
  .csd-pillars article:nth-child(odd)::before { content: none; }
}

@media (max-width: 1080px) {
  /* 平板：三项服务价值横排，汇流线转成自上而下 */
  .csd-vmap { grid-template-columns: minmax(0, 1fr); }
  .csd-vmap-base { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-template-rows: none; }
  .csd-vmap-base li { grid-template-columns: minmax(0, 1fr); align-content: start; gap: 14px; padding: 22px; }
  .csd-vmap-link { height: 64px; }
  .csd-vmap-link i { top: 0; width: 0; height: 50%; border-top: 0; border-left: 2px solid #c9d6ff; }
  .csd-vmap-link i:nth-child(1) { top: 0; left: calc((100% - 32px) / 6 - 1px); }
  .csd-vmap-link i:nth-child(2) { top: 0; left: calc(50% - 1px); }
  .csd-vmap-link i:nth-child(3) { top: 0; left: calc(100% - (100% - 32px) / 6 - 1px); }
  .csd-vmap-link::before { top: calc(50% - 1px); bottom: auto; left: calc((100% - 32px) / 6 - 1px); right: calc((100% - 32px) / 6 - 1px); border-left: 0; border-top: 2px solid #c9d6ff; }
  .csd-vmap-link::after { top: 50%; bottom: 8px; left: calc(50% - 1px); right: auto; border-top: 0; border-left: 2px solid #3157ff; }
  .csd-vmap-link b { top: auto; right: auto; bottom: 0; left: 50%; border-top: 9px solid #3157ff; border-bottom: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; transform: translateX(-50%); }
  .csd-vmap-goal { display: grid; grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr); grid-template-rows: auto auto; column-gap: 40px; align-content: center; }
  .csd-vmap-goal h3 { grid-column: 1; grid-row: 1; align-self: end; }
  .csd-vmap-goal > p { grid-column: 1; grid-row: 2; align-self: start; }
  .csd-vmap-flow { grid-column: 2; grid-row: 1 / 3; margin-top: 0; }
  .csd-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; align-items: start; }
  .csd-pledge { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 44px; margin-top: 44px; }
  .csd-pledge > p { grid-column: 1 / -1; text-align: left; }

  .csd-accept-grid { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .csd-accept-grid > header { position: static; }
  .csd-accept-grid > .csd-fig { grid-column: auto; }
}

@media (max-width: 860px) {
  .csd-pillars { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .csd-pillars article:not(:first-child)::before { content: none; }
  .csd-guard-wrap { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}

@media (max-width: 700px) {
  /* 手机：三项纵排，汇流线只留一根向下箭头 */
  .csd-vmap-base { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .csd-vmap-base li { grid-template-columns: 40px minmax(0, 1fr); align-items: start; gap: 14px; padding: 18px; }
  .csd-vmap-base h3 { margin-bottom: 4px; font-size: 18px; }
  .csd-vmap-base p { font-size: 14px; }
  .csd-vmap-ico { width: 40px; height: 40px; border-radius: 11px; }
  .csd-vmap-link { height: 44px; }
  .csd-vmap-link i { display: none; }
  .csd-vmap-link::before { content: none; }
  .csd-vmap-link::after { top: 0; }
  .csd-vmap-goal { display: flex; padding: 24px 18px 22px; border-radius: 18px; }
  .csd-vmap-goal h3, .csd-vmap-goal > p { align-self: auto; }
  .csd-vmap-goal h3 { font-size: 24px; }
  .csd-vmap-goal > p { font-size: 14px; }
  .csd-vmap-flow { grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1.15fr); column-gap: 16px; margin-top: 20px; }
  .csd-vmap-flow ul { gap: 10px; }
  .csd-vmap-flow li { padding: 10px; font-size: 13px; }
  .csd-vmap-flow .is-in li::after, .csd-vmap-flow .is-out li::before { width: 16px; }
  .csd-vmap-hub { gap: 6px; border-radius: 14px; box-shadow: 0 0 0 5px rgba(49, 87, 255, .1), 0 12px 24px rgba(49, 87, 255, .24); }
  .csd-vmap-hub svg { width: 20px; height: 20px; }
  .csd-vmap-hub b { width: min-content; font-size: 13px; line-height: 1.35; text-align: center; white-space: normal; word-break: keep-all; }
  .csd-value-cta { flex-direction: column; align-items: stretch; margin-top: 28px; padding: 20px 18px; border-radius: 16px; }
  .csd-value-cta p { font-size: 17px; }
  .csd-value-cta p .csd-vmap-ico { display: none; }
  .csd-value-cta > div { flex-direction: column-reverse; }
  .csd-value-cta .voice-btn { width: 100%; }
  .csd-page .voice-hero { padding: 84px 0 56px; }
  .csd-hero-actions { flex-direction: column; }
  .csd-hero-actions .voice-btn { width: 100%; }
  .csd-pledge { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .csd-accept, .csd-pillars-sec, .csd-loop-sec, .csd-guard-sec, .csd-value-sec { padding: 64px 0 68px; }
  .csd-faq { padding: 64px 0 76px; }
  .csd-fig { padding: 18px 16px; border-radius: 14px; }
  /* 窄屏：宽幅示意图横向滚动，闭环图换成竖排版本 */
  .csd-fig-target > svg:not(.csd-fig-portrait) { display: none; }
  .csd-fig-target svg.csd-fig-portrait { display: block; }
  .csd-fig-ring { padding: 20px 12px 16px; }
  .csd-fig-target, .csd-fig-ring { margin-top: 32px; }
  .csd-numlist > li { grid-template-columns: 38px minmax(0, 1fr); gap: 12px; }
  .csd-numlist i { font-size: 18px; }
  .csd-trend { padding: 20px 16px 18px; border-radius: 16px; }
}