/* ============================================
   AIC 艾瑞洁 · 服务支持中心样式（service.html）
   依赖 common.css（设计变量 / 按钮 / nav / footer / section-head / 动效）
   深浅调和参考 about.css：深色 hero + 深色数据条 / 浅色承诺卡 / 深色服务主张
   / 浅色入口+FAQ+报修 / 深色收束+承诺条 / 浅色热线。
   图片占位说明：.svc-hero-photo / .svc-figure / .svc-closing 默认显示深色占位 +
   data-ph 提示文字。替换真图时：放入对应 webp 并删除元素的 data-ph 属性
   （content:attr(data-ph) 即不再显示提示）。
   ============================================ */

/* ---------- 0. Hero（深色 · 右侧服务实拍图，参考 about-hero）---------- */
.svc-hero {
  position: relative;
  background: var(--ink);
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

/* 主图层（占位=深色；真图时把 /images/service-hero.webp 放进来即可）*/
.svc-hero-photo {
  position: absolute;
  inset: 0;
  background-color: var(--ink);
  background-image: url(/images/service-hero.webp);
  background-size: cover;
  background-position: center right;
}

/* 占位提示：仅当元素仍带 data-ph 时显示 */
.svc-hero-photo[data-ph]::after,
.svc-figure[data-ph]::after,
.svc-closing[data-ph]::before {
  content: attr(data-ph);
  position: absolute;
  inset: auto 0 0 0;
  bottom: 14px;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

/* 左浓右淡深色遮罩：保证左侧文字可读、右侧露出设备 */
.svc-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(10, 22, 40, 0.97) 0%,
    rgba(10, 22, 40, 0.9) 34%,
    rgba(10, 22, 40, 0.55) 66%,
    rgba(10, 22, 40, 0.3) 100%
  );
}

.svc-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 32px;
}

.svc-hero-text { max-width: 660px; }

.svc-hero .eyebrow { color: var(--accent-bright); }

.svc-hero h1 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 60px;
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 6px 0 20px;
}

.svc-hero h1 .blue { color: var(--accent-bright); }

.svc-hero-slogan {
  font-size: 21px;
  font-weight: 600;
  color: #DCE3EE;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.svc-hero-desc {
  font-size: 15.5px;
  color: #A8B5C7;
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 34px;
}

.svc-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* 深色 hero 上的描边按钮（浅色描边版）*/
.btn.svc-ghost-light {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: transparent;
}
.btn.svc-ghost-light:hover {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

/* ---------- 数据条（深色 · 4 项，带图标）---------- */
.svc-stats {
  background: linear-gradient(120deg, var(--ink-3) 0%, var(--ink-2) 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.svc-stats-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.svc-stat {
  text-align: center;
  padding: 40px 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.svc-stat:first-child { border-left: none; }

.svc-stat-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: rgba(74, 144, 255, 0.12);
  color: var(--accent-bright);
  margin-bottom: 16px;
}

.svc-stat-val {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
}

.svc-stat-val small {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent-bright);
  margin-left: 3px;
}

.svc-stat-lbl {
  font-size: 13px;
  color: #8595B0;
  margin-top: 10px;
  letter-spacing: 0.04em;
}

/* ---------- 1. 四大服务承诺（浅色 · 4 卡）---------- */
.svc-promise {
  padding: 100px 0;
  background: #fff;
}

.svc-promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.svc-pcard {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px 28px 30px;
  transition: all var(--t-base);
  overflow: hidden;
}

.svc-pcard:hover {
  border-color: var(--accent);
  background: #fff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.svc-pc-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: var(--r);
  background: var(--accent-light);
  color: var(--accent);
  margin-bottom: 22px;
}

.svc-pc-num {
  position: absolute;
  top: 24px;
  right: 26px;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--line);
}

.svc-pcard h3 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.svc-pcard p {
  font-size: 13.5px;
  color: var(--steel);
  line-height: 1.75;
}

/* ---------- 2. 服务主张（深色 · 两条图文）---------- */
.svc-claim {
  padding: 100px 0;
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-3) 100%);
  position: relative;
  overflow: hidden;
}

.svc-claim::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.svc-claim .container { position: relative; z-index: 1; }

.svc-claim-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.svc-claim-row + .svc-claim-row { margin-top: 72px; }

.svc-claim-row.reverse .svc-claim-text { order: 2; }
.svc-claim-row.reverse .svc-figure { order: 1; }

.svc-claim-text .eyebrow { color: var(--accent-bright); }

.svc-claim-text h2 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 4px 0 26px;
}

.svc-claim-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.svc-claim-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.svc-cl-ico {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(74, 144, 255, 0.14);
  color: var(--accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
}

.svc-claim-list strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 5px;
}

.svc-claim-list span {
  font-size: 14px;
  color: #A8B5C7;
  line-height: 1.7;
}

/* 图位（16:10），占位=深色 + data-ph 提示 */
.svc-figure {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--r-xl);
  overflow: hidden;
  background-color: #0C1A30;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
}

/* 行内图位真图（替换占位时设置 background-image）*/
.svc-claim-row:nth-of-type(1) .svc-figure { background-image: url(/images/service-fix.webp); }
.svc-claim-row:nth-of-type(2) .svc-figure { background-image: url(/images/service-support.webp); }

/* ---------- 3. 常用入口（浅色 · 复用 entry-card）---------- */
.entries-section {
  padding: 100px 0;
  background: var(--bg);
}

.entries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.entry-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 24px;
  text-align: center;
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: inherit;
}

.entry-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.entry-card.featured {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  border-color: var(--accent-deep);
  color: #fff;
}

.entry-card.featured:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.ec-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-base);
}

.entry-card.featured .ec-icon {
  background: rgba(255,255,255,.18);
  color: #fff;
}

.entry-card h4 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 4px;
}

.entry-card p {
  font-size: 13px;
  color: var(--mute);
  line-height: 1.6;
}

.entry-card.featured p { color: rgba(255,255,255,.85); }

/* ---------- 4. FAQ Section（浅色 · 保留原有功能）---------- */
.faq-section {
  padding: 100px 0;
  background: #fff;
}

.faq-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.faq-tab {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--steel);
  cursor: pointer;
  transition: all var(--t-fast);
}

.faq-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.faq-tab.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.faq-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  transition: all var(--t-fast);
}

.faq-item:hover { border-color: var(--steel); }

.faq-item.open {
  background: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq-q {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  cursor: pointer;
}

.faq-q-text {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
}

.q-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  flex-shrink: 0;
}

.q-content {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
}

.faq-q-toggle {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--mute);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--t-base);
}

.faq-item.open .faq-q-toggle {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow);
}

.faq-item.open .faq-a { max-height: 600px; }

.faq-a-inner {
  padding: 0 24px 22px 60px;
  font-size: 14px;
  color: var(--steel);
  line-height: 1.85;
}

.faq-a-inner strong { color: var(--ink); font-weight: 600; }

.faq-a-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.faq-a-tags span {
  font-size: 11.5px;
  color: var(--mute);
  background: var(--bg);
  padding: 3px 9px;
  border-radius: 4px;
}

/* ---------- 5. Repair Section（浅色 · 保留原有功能）---------- */
.repair-section {
  padding: 100px 0;
  background: var(--bg);
}

.repair-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.repair-info .eyebrow { margin-bottom: 14px; }

.repair-info h2 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 18px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.repair-info p {
  font-size: 15px;
  color: var(--steel);
  line-height: 1.75;
  margin-bottom: 36px;
}

.repair-process {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.rp-step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 18px 22px;
  background: #fff;
  border-radius: var(--r);
  border-left: 3px solid var(--accent);
}

.rp-step-num {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  width: 36px;
}

.rp-step-info strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.rp-step-info span {
  font-size: 13px;
  color: var(--mute);
  line-height: 1.65;
}

/* Repair form card */
.repair-form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 38px;
  box-shadow: var(--shadow-sm);
}

.repair-form-card h3 {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}

.form-sub {
  font-size: 13px;
  color: var(--mute);
  margin-bottom: 24px;
}

.form-row {
  margin-bottom: 16px;
}

.form-row.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-row label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 7px;
  letter-spacing: 0.02em;
}

.req { color: var(--danger); }

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 11px 14px;
  font-size: 13.5px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color var(--t-fast);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  font-size: 14.5px;
  margin-top: 8px;
}

.submit-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.repair-msg {
  min-height: 22px;
  margin-top: 12px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
}

.repair-msg.ok { color: #166534; }
.repair-msg.err { color: var(--danger); }

.form-tip {
  font-size: 12px;
  color: var(--mute);
  text-align: center;
  margin-top: 14px;
  line-height: 1.6;
}

/* ---------- 6. 收束语（深色压暗带 · 背景图 IMG-4）---------- */
.svc-closing {
  position: relative;
  background-color: var(--ink);
  background-image: url(/images/service-core.webp);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.svc-closing::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 22, 40, 0.94) 0%, rgba(10, 22, 40, 0.82) 100%);
}

.svc-closing-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 88px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 30px;
}

.svc-closing-text {
  font-family: "Barlow Condensed", "Noto Sans SC", sans-serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #fff;
}

/* ---------- 7. 服务承诺条（深色 · 4 项）---------- */
.svc-promisebar {
  background: #050B16;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.svc-promisebar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.svc-pb-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 36px 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.07);
}

.svc-pb-item:first-child { border-left: none; }

.svc-pb-ico {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border-radius: var(--r-sm);
  background: rgba(74, 144, 255, 0.12);
  color: var(--accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
}

.svc-pb-item strong {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.svc-pb-item span {
  font-size: 12.5px;
  color: #8595B0;
  line-height: 1.5;
}

/* ---------- 8. Hotline Section（浅色 + 深色卡 · 保留原有）---------- */
.hotline-section {
  padding: 90px 0 110px;
  background: var(--bg);
}

.hotline-card {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%);
  color: #fff;
  border-radius: var(--r-xl);
  padding: 56px 56px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hotline-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(0,82,217,.3), transparent 55%);
  pointer-events: none;
}

.hotline-info { position: relative; }

.hotline-info .label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  color: var(--accent-bright);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.hotline-info .number {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 56px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.hotline-info p {
  font-size: 14px;
  color: #B8C5DD;
  line-height: 1.7;
}

.hotline-actions {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hotline-actions .btn-primary {
  background: #fff;
  color: var(--ink);
}

.hotline-actions .btn-primary:hover {
  background: #F0F2F5;
  color: var(--ink);
}

.hotline-actions .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.3);
}

.hotline-actions .btn-ghost:hover {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .svc-hero h1 { font-size: 46px; }
  .svc-hero-overlay {
    background: linear-gradient(180deg, rgba(10,22,40,0.82) 0%, rgba(10,22,40,0.94) 100%);
  }
  .svc-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .svc-stat:nth-child(3) { border-left: none; }
  .svc-stat { border-top: 1px solid rgba(255,255,255,0.08); }
  .svc-stat:nth-child(1), .svc-stat:nth-child(2) { border-top: none; }

  .svc-promise-grid { grid-template-columns: repeat(2, 1fr); }

  .svc-claim-row { grid-template-columns: 1fr; gap: 32px; }
  .svc-claim-row.reverse .svc-claim-text { order: 1; }
  .svc-claim-row.reverse .svc-figure { order: 2; }

  .entries-grid { grid-template-columns: repeat(3, 1fr); }
  .repair-grid { grid-template-columns: 1fr; gap: 40px; }

  .svc-promisebar-inner { grid-template-columns: repeat(2, 1fr); }
  .svc-pb-item:nth-child(3) { border-left: none; }
  .svc-pb-item { border-top: 1px solid rgba(255,255,255,0.07); }
  .svc-pb-item:nth-child(1), .svc-pb-item:nth-child(2) { border-top: none; }

  .hotline-card { grid-template-columns: 1fr; padding: 40px 32px; }
}

@media (max-width: 640px) {
  .svc-hero { min-height: 440px; }
  .svc-hero-inner { padding: 56px 20px; }
  .svc-hero h1 { font-size: 34px; }
  .svc-hero-slogan { font-size: 18px; }

  .svc-stats-inner { grid-template-columns: repeat(2, 1fr); }
  .svc-stat { padding: 30px 12px; }
  .svc-stat-val { font-size: 34px; }

  .svc-promise, .svc-claim, .entries-section, .faq-section, .repair-section { padding: 64px 0; }
  .svc-promise-grid { grid-template-columns: 1fr; }
  .svc-claim-text h2 { font-size: 30px; }
  .svc-claim-row + .svc-claim-row { margin-top: 48px; }

  .entries-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row.split { grid-template-columns: 1fr; }
  .repair-form-card { padding: 28px 24px; }

  .svc-closing-inner { padding: 64px 20px; }
  .svc-closing-text { font-size: 28px; }

  .svc-promisebar-inner { grid-template-columns: 1fr; }
  .svc-pb-item:nth-child(2) { border-left: none; }
  .svc-pb-item:nth-child(2), .svc-pb-item:nth-child(3), .svc-pb-item:nth-child(4) {
    border-top: 1px solid rgba(255,255,255,0.07);
  }

  .hotline-info .number { font-size: 40px; }
  .faq-q { padding: 16px 18px; gap: 12px; }
  .faq-a-inner { padding: 0 18px 18px 46px; }
}