/* ===== 服务项目 /projects/ ===== */
.page-products {
  --pp-border: 2px solid var(--ink-deep);
  --pp-gap: clamp(16px, 2vw, 22px);
  --pp-sec-space: clamp(44px, 7vh, 84px);
  background: var(--porcelain);
  color: var(--ink);
  overflow-x: hidden;
}

.page-products *,
.page-products *::before,
.page-products *::after { box-sizing: border-box; }

.page-products .pp-h1,
.page-products .pp-h2 { margin: 0; }

.page-products .lede { max-width: 720px; }

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(84px, 13vh, 148px) 0 clamp(40px, 6vh, 68px);
  background:
    radial-gradient(122% 88% at 92% 2%, rgba(255, 179, 71, 0.42), transparent 62%),
    radial-gradient(96% 72% at 2% 100%, rgba(255, 90, 60, 0.15), transparent 60%),
    var(--porcelain);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--gold));
  opacity: 0.14;
  pointer-events: none;
}

.page-products .pp-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
}

@media (min-width: 1024px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(40px, 5vw, 64px);
  }
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

.page-products .breadcrumb a {
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .breadcrumb a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-products .pp-h1 {
  margin: 0 0 22px;
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
  transform: skewX(-3deg);
  transform-origin: left center;
}

.page-products .pp-mark {
  color: var(--orange);
}

.page-products .pp-hero-lede {
  margin: 0 0 28px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--graphite);
  max-width: 660px;
}

.page-products .pp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* 首屏焦点卡 */
.page-products .pp-focus-card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.2vw, 36px);
  border: var(--pp-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-hard-lg);
  color: var(--porcelain);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(255, 179, 71, 0.52), transparent 58%),
    linear-gradient(150deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-products .pp-focus-kicker {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pp-focus-num {
  display: block;
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(66px, 10vw, 104px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.05em;
  color: var(--gold);
}

.page-products .pp-focus-label {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(252, 251, 249, 0.86);
}

.page-products .pp-focus-list {
  margin: 18px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid rgba(252, 251, 249, 0.22);
}

.page-products .pp-focus-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(252, 251, 249, 0.78);
}

.page-products .pp-focus-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--teal);
}

/* ---------- 总览 ---------- */
.page-products .pp-overview { padding-top: clamp(36px, 5vh, 64px); }

.page-products .pp-overview-head { margin-bottom: clamp(22px, 3vw, 34px); }

.page-products .pp-overview-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 380px;
}

.page-products .pp-cards {
  gap: var(--pp-gap);
}

.page-products .pp-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  border-left: 8px solid var(--pp-accent, var(--orange));
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .pp-card:hover,
.page-products .pp-card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard-lg);
}

.page-products .pp-card:hover .pp-card-num,
.page-products .pp-card:focus-visible .pp-card-num { color: var(--orange); }

.page-products .pp-card--c1 { --pp-accent: var(--orange); }
.page-products .pp-card--c2 { --pp-accent: var(--gold); }
.page-products .pp-card--c3 { --pp-accent: var(--teal); }
.page-products .pp-card--c4 { --pp-accent: var(--orange); }
.page-products .pp-card--c5 { --pp-accent: var(--ink); }
.page-products .pp-card--c6 { --pp-accent: var(--teal-ink); }

.page-products .pp-card-num {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--graphite);
  transition: color 0.18s var(--ease);
}

.page-products .pp-card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .pp-card-tag {
  align-self: flex-start;
}

.page-products .pp-card-who {
  margin-top: auto;
  padding-top: 10px;
  border-top: 2px dashed rgba(27, 42, 74, 0.18);
  font-size: 12px;
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 主体两栏 ---------- */
.page-products .pp-body {
  padding: clamp(20px, 4vh, 48px) 0 clamp(48px, 8vh, 96px);
}

.page-products .pp-body-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

@media (min-width: 1024px) {
  .page-products .pp-body-grid {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }
}

.page-products .pp-index { display: none; }

@media (min-width: 1024px) {
  .page-products .pp-index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
}

.page-products .pp-index-kicker {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--graphite);
}

.page-products .pp-index-list {
  margin: 0;
  padding: 0 0 0 2px;
  list-style: none;
  border-left: 2px solid var(--ink-deep);
}

.page-products .pp-index-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-left: -2px;
  padding: 9px 0 9px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--graphite);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-products .pp-index-list a .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: inherit;
}

.page-products .pp-index-list a:hover,
.page-products .pp-index-list a:focus-visible {
  color: var(--ink);
  border-left-color: var(--orange);
  background: var(--peach);
}

.page-products .pp-index-note {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-sections > .pp-section {
  padding: var(--pp-sec-space) 0;
  border-top: 2px solid rgba(27, 42, 74, 0.1);
}

.page-products .pp-sections > .pp-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pp-sec-head {
  max-width: 760px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .pp-h2 {
  margin: 10px 0 12px;
  font-size: clamp(23px, 3.2vw, 38px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .pp-sec-head .lede {
  margin: 0;
  font-size: clamp(15px, 1.3vw, 16px);
  line-height: 1.85;
  color: var(--graphite);
}

.page-products .pp-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
}

.page-products .pp-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-products .pp-block .card-title {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pp-block strong { color: var(--ink); }

.page-products .card--ink .card-title { color: var(--white); }
.page-products .pp-block.card--ink p { color: rgba(252, 251, 249, 0.8); }

.page-products .dot-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .dot-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-products .dot-list li:last-child { margin-bottom: 0; }

.page-products .dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--orange);
}

.page-products .card--ink .dot-list li { color: rgba(252, 251, 249, 0.8); }
.page-products .card--ink .dot-list li::before { background: var(--gold); }

/* ---------- 图形容器 ---------- */
.page-products .pp-figure {
  margin: 0;
  overflow: hidden;
  border: var(--pp-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hard);
  background: linear-gradient(135deg, var(--peach), var(--cream));
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pp-figure--banner img { aspect-ratio: 16 / 10; }

@media (min-width: 768px) {
  .page-products .pp-figure--banner img { aspect-ratio: 21 / 9; }
}

.page-products .pp-figure--tall img { aspect-ratio: 4 / 5; }

/* ---------- 01 注册与登录 ---------- */
.page-products .pp-s1-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

@media (min-width: 900px) {
  .page-products .pp-s1-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }
  .page-products .pp-s1-figure { grid-column: 1 / -1; }
  .page-products .pp-s1-tips { grid-column: 2; }
}

.page-products .pp-steps {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .pp-step-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-step-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-step-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 2px solid var(--ink-deep);
  border-radius: 999px;
  background: var(--white);
  box-shadow: var(--shadow-hard-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--ink);
  transition: transform 0.16s var(--ease), background 0.16s var(--ease), color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-products .pp-step-tab .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.page-products .pp-step-tab:hover { transform: translateY(-2px); }

.page-products .pp-step-radio:focus-visible + .pp-step-tabs .pp-step-tab--a,
.page-products .pp-step-tab:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-products #pp-step-a:checked ~ .pp-step-tabs .pp-step-tab--a,
.page-products #pp-step-b:checked ~ .pp-step-tabs .pp-step-tab--b {
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow-hard);
}

.page-products #pp-step-a:checked ~ .pp-step-tabs .pp-step-tab--a .mono,
.page-products #pp-step-b:checked ~ .pp-step-tabs .pp-step-tab--b .mono {
  color: var(--gold);
}

.page-products .pp-step-panel {
  display: none;
  padding: 20px 22px;
  border: 2px dashed rgba(27, 42, 74, 0.28);
  border-radius: var(--radius-md);
  background: var(--cream);
}

.page-products .pp-step-panel p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-products .pp-step-panel .card-title {
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-products #pp-step-a:checked ~ .pp-step-panels .pp-step-panel--a { display: block; }
.page-products #pp-step-b:checked ~ .pp-step-panels .pp-step-panel--b { display: block; }

/* ---------- 02 电脑端 ---------- */
.page-products .pp-s2-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

@media (min-width: 900px) {
  .page-products .pp-s2-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }
  .page-products .pp-s2-figure { grid-column: 1 / -1; }
}

/* ---------- 03 跨设备接力 ---------- */
.page-products .pp-s3-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

@media (min-width: 900px) {
  .page-products .pp-s3-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    grid-template-areas:
      "figure copy"
      "figure stats";
    align-items: start;
  }
  .page-products .pp-s3-figure { grid-area: figure; }
  .page-products .pp-s3-copy { grid-area: copy; }
  .page-products .pp-s3-stats { grid-area: stats; }
}

.page-products .pp-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-stat-grid .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid rgba(252, 251, 249, 0.24);
}

.page-products .pp-stat-grid .stat-num {
  font-family: var(--mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.page-products .pp-stat-grid .stat-num--gold { color: var(--gold); }
.page-products .pp-stat-grid .stat-num--teal { color: var(--teal); }

.page-products .pp-stat-grid .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(252, 251, 249, 0.72);
}

/* ---------- 04 权益中心 ---------- */
.page-products .pp-s4-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

@media (min-width: 900px) {
  .page-products .pp-s4-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "lead   figure"
      "how    who";
  }
  .page-products .pp-s4-lead { grid-area: lead; }
  .page-products .pp-s4-figure { grid-area: figure; }
  .page-products .pp-s4-how { grid-area: how; }
  .page-products .pp-s4-who { grid-area: who; }
}

.page-products .pp-s4-figure img { aspect-ratio: 3 / 2; }

/* ---------- 05 账户安全 ---------- */
.page-products .pp-s5-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

@media (min-width: 900px) {
  .page-products .pp-s5-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "figure copy"
      "sync   sync";
  }
  .page-products .pp-s5-figure { grid-area: figure; }
  .page-products .pp-s5-copy { grid-area: copy; }
  .page-products .pp-s5-sync { grid-area: sync; }
}

.page-products .pp-s5-figure img { aspect-ratio: 3 / 2; }

.page-products .pp-sync-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .page-products .pp-sync-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.page-products .pp-sync-grid li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 2px solid rgba(252, 251, 249, 0.28);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--porcelain);
  background: rgba(252, 251, 249, 0.06);
}

.page-products .pp-sync-grid .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-products .pp-sync-note {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(252, 251, 249, 0.7);
}

/* ---------- 参数表 ---------- */
.page-products .pp-section--params { padding-bottom: 0; }

.page-products .pp-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: var(--pp-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hard);
  background: var(--white);
}

.page-products .pp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pp-table-caption {
  padding: 18px 22px 0;
  text-align: left;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 14px 22px;
  text-align: left;
  vertical-align: top;
  border-bottom: 2px solid rgba(27, 42, 74, 0.12);
}

.page-products .pp-table thead th {
  padding-top: 16px;
  padding-bottom: 16px;
  background: var(--ink);
  color: var(--porcelain);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-bottom: 0;
}

.page-products .pp-table tbody tr:nth-child(odd) { background: var(--peach); }
.page-products .pp-table tbody tr:nth-child(even) { background: var(--cream); }

.page-products .pp-table tbody tr:hover { background: rgba(255, 90, 60, 0.12); }

.page-products .pp-table tbody tr:last-child td { border-bottom: 0; }

.page-products .pp-table td:first-child {
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-table td.pp-val {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--orange-deep);
  white-space: nowrap;
}

.page-products .pp-table td:last-child {
  color: var(--graphite);
  line-height: 1.7;
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta {
  padding-top: clamp(8px, 2vh, 24px);
  padding-bottom: clamp(48px, 8vh, 96px);
}

.page-products .pp-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

@media (min-width: 1024px) {
  .page-products .pp-cta-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

.page-products .pp-cta-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 3.2vw, 40px);
  border: var(--pp-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-hard-lg);
}

.page-products .pp-cta-title {
  margin: 0;
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-products .pp-cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
  max-width: 520px;
}

.page-products .pp-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 2px;
}

.page-products .pp-cta-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 6px 0 0;
  padding-top: 14px;
  border-top: 2px dashed rgba(27, 42, 74, 0.22);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-products .pp-cta-contact a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .pp-cta-contact a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-products .pp-cta-side {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-cta-link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 26px);
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .pp-cta-link:hover,
.page-products .pp-cta-link:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard-lg);
}

.page-products .pp-cta-link .tag { align-self: flex-start; }

.page-products .pp-cta-link-title {
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pp-cta-link-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 479px) {
  .page-products .pp-hero-actions .btn,
  .page-products .pp-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .page-products .pp-step-tabs { flex-direction: column; }
  .page-products .pp-step-tab { justify-content: flex-start; }
  .page-products .pp-stat-grid { grid-template-columns: 1fr; }
  .page-products .pp-cta-contact { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-card,
  .page-products .pp-cta-link,
  .page-products .pp-step-tab {
    transition: none;
  }
  .page-products .pp-card:hover,
  .page-products .pp-card:focus-visible,
  .page-products .pp-cta-link:hover,
  .page-products .pp-cta-link:focus-visible,
  .page-products .pp-step-tab:hover {
    transform: none;
  }
}