.page-products {
  --prod-line: rgba(192, 199, 209, 0.28);
  background: var(--deep-space);
}

.page-products section[id] {
  scroll-margin-top: 92px;
}

.page-products .container {
  max-width: var(--container-width);
}

.page-products .section-head {
  margin-bottom: 32px;
}

/* ===== Hero 框景 ===== */
.page-products .prod-hero {
  position: relative;
  padding-top: 36px;
  padding-bottom: 64px;
  background:
    radial-gradient(circle at 88% 12%, rgba(37, 99, 235, 0.16), transparent 34%),
    linear-gradient(145deg, var(--deep-space) 0%, var(--deep-space-2) 100%);
}

.page-products .prod-hero-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-products .prod-hero .breadcrumb {
  color: var(--metallic-silver);
}

.page-products .prod-hero-frame {
  position: relative;
  border: 1px solid var(--metallic-silver);
  padding: 40px 24px 28px;
  background:
    linear-gradient(135deg, rgba(249, 115, 22, 0.08), transparent 30%, rgba(37, 99, 235, 0.12)),
    rgba(10, 20, 40, 0.72);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
  overflow: hidden;
}

.page-products .prod-hero-frame::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 44px;
  height: 100%;
  background: repeating-linear-gradient(to bottom, var(--metallic-silver) 0 1px, transparent 1px 14px);
  opacity: 0.28;
}

.page-products .prod-hero-tick {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--vibrant-orange) 0 14px, transparent 14px 22px);
  opacity: 0.9;
}

.page-products .prod-hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(1.7rem, 5.6vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 12em;
}

.page-products .prod-hero-lead {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--light-blue);
  max-width: 36em;
  margin-bottom: 22px;
}

.page-products .prod-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .prod-hero-note {
  color: var(--light-blue);
  opacity: 0.78;
}

/* ===== 方案总览：技能树 ===== */
.page-products .prod-overview {
  background: var(--paper-white);
  color: var(--ink-black);
}

.page-products .prod-path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-left: 26px;
}

.page-products .prod-path::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(to bottom, var(--vibrant-orange) 0%, var(--brand-blue) 55%, var(--metallic-silver) 100%);
}

.page-products .prod-path .path-step {
  position: relative;
  padding: 0;
}

.page-products .prod-path .path-node {
  position: absolute;
  left: -26px;
  top: 34px;
  width: 16px;
  height: 16px;
  background: var(--vibrant-orange);
  border: 3px solid var(--paper-white);
  border-radius: 2px;
  box-shadow: 0 0 0 1px var(--vibrant-orange), 0 0 14px rgba(249, 115, 22, 0.5);
  transform: rotate(45deg);
}

.page-products .prod-path .path-step-body {
  background: #ffffff;
  border: 1px solid var(--warm-gray);
  border-left: 3px solid var(--vibrant-orange);
  padding: 22px 22px 18px;
  box-shadow: 0 8px 24px rgba(10, 20, 40, 0.05);
}

.page-products .prod-path .path-step-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--brand-blue);
  margin-bottom: 6px;
}

.page-products .prod-path .path-step-title {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-products .prod-path .path-step-body p {
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 16px;
  color: #334155;
}

/* ===== 苹果手机登录步骤 ===== */
.page-products .prod-login-steps {
  background:
    linear-gradient(180deg, rgba(14, 42, 71, 0.35), transparent 30%),
    var(--deep-space);
  color: var(--paper-white);
}

.page-products .prod-login-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
  align-items: start;
}

.page-products .prod-login-steps .section-head {
  margin-bottom: 24px;
}

.page-products .prod-login-steps .section-intro {
  color: var(--light-blue);
}

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

.page-products .prod-step {
  display: flex;
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-step:first-child {
  padding-top: 0;
}

.page-products .prod-step:last-child {
  border-bottom: none;
}

.page-products .prod-step-num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--vibrant-orange);
  line-height: 1.3;
  min-width: 2.8em;
}

.page-products .prod-step-text h3 {
  font-size: 1.06rem;
  color: var(--paper-white);
  margin-bottom: 6px;
}

.page-products .prod-step-text p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--light-blue);
  margin: 0;
}

.page-products .prod-step-details {
  margin-top: 18px;
  border: 1px solid var(--prod-line);
  padding: 12px 16px;
}

.page-products .prod-step-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--light-blue);
}

.page-products .prod-step-details ul {
  margin: 12px 0 4px;
  padding-left: 18px;
  color: var(--light-blue);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products .prod-login-visual {
  margin-top: 4px;
}

/* ===== 通用图片帧 ===== */
.page-products .prod-frame {
  border: 1px solid var(--metallic-silver);
  padding: 8px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(10, 20, 40, 0.10);
}

.page-products .prod-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .section--dark .prod-frame {
  background: rgba(14, 42, 71, 0.9);
  border-color: rgba(192, 199, 209, 0.45);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

.page-products .prod-frame-portrait {
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.page-products .prod-login-note {
  max-width: 380px;
  margin: 12px auto 0;
  color: var(--light-blue);
}

/* ===== 换设备验证 ===== */
.page-products .prod-verification {
  background: var(--paper-white);
  color: var(--ink-black);
}

.page-products .prod-verification .section-head {
  margin-bottom: 24px;
}

.page-products .prod-verification-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
}

.page-products .prod-verify-fact {
  display: inline-flex;
  flex-direction: column;
  padding: 24px 28px;
  margin-bottom: 22px;
  background: #ffffff;
  border-left: 4px solid var(--vibrant-orange);
  box-shadow: 0 8px 24px rgba(10, 20, 40, 0.06);
}

.page-products .prod-verify-num {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink-black);
}

.page-products .prod-verify-unit {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brand-blue);
  margin-top: 8px;
  letter-spacing: 0.08em;
}

.page-products .prod-verify-lead {
  font-size: 1.04rem;
  line-height: 1.85;
  margin-bottom: 16px;
  color: #1e293b;
}

.page-products .prod-verify-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.page-products .prod-verify-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.94rem;
  line-height: 1.75;
  margin-bottom: 10px;
  color: #334155;
}

.page-products .prod-verify-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 9px;
  height: 9px;
  background: var(--vibrant-orange);
  border-radius: 1px;
}

.page-products .prod-verification-visual {
  margin-top: 4px;
}

.page-products .prod-verification-note {
  color: var(--brand-blue);
  margin-top: 10px;
}

/* ===== 内容中心 ===== */
.page-products .prod-content-center {
  background:
    radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.14), transparent 38%),
    var(--deep-space);
  color: var(--paper-white);
}

.page-products .prod-content-center .section-intro {
  color: var(--light-blue);
}

.page-products .prod-module-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

.page-products .prod-module {
  position: relative;
  border: 1px solid var(--prod-line);
  background: rgba(14, 42, 71, 0.72);
  padding: 26px 22px 22px;
  min-height: 148px;
  transition: border-color var(--duration) var(--ease-out), background var(--duration) var(--ease-out);
}

.page-products .prod-module:hover {
  border-color: var(--vibrant-orange);
  background: rgba(14, 42, 71, 0.92);
}

.page-products .prod-module-index {
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--metallic-silver);
  opacity: 0.35;
  line-height: 1;
}

.page-products .prod-module h3 {
  font-size: 1.16rem;
  color: var(--paper-white);
  margin-bottom: 10px;
}

.page-products .prod-module p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--light-blue);
  margin: 0;
}

.page-products .prod-content-visual {
  margin-bottom: 12px;
}

.page-products .prod-content-note {
  color: var(--light-blue);
  margin-bottom: 24px;
}

.page-products .prod-content-actions {
  margin-top: 4px;
}

/* ===== 登录入口说明 ===== */
.page-products .prod-login-entry {
  background: var(--paper-white);
  color: var(--ink-black);
}

.page-products .prod-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: center;
}

.page-products .prod-entry-visual .prod-entry-note {
  color: var(--brand-blue);
  margin-top: 10px;
}

.page-products .prod-entry-copy .section-head {
  margin-bottom: 20px;
}

.page-products .prod-entry-copy > p {
  font-size: 0.97rem;
  line-height: 1.8;
  color: #1e293b;
  margin-bottom: 18px;
}

.page-products .prod-entry-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--warm-gray);
}

.page-products .prod-entry-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 0;
  border-bottom: 1px solid var(--warm-gray);
  font-size: 0.94rem;
  line-height: 1.5;
  color: #334155;
}

.page-products .prod-entry-list li span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--brand-blue);
  letter-spacing: 0.08em;
}

/* ===== 帮助与联系 ===== */
.page-products .prod-support {
  background: var(--warm-gray);
  color: var(--ink-black);
}

.page-products .prod-support .section-head {
  margin-bottom: 28px;
}

.page-products .prod-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 34px;
}

.page-products .prod-support-item {
  background: #ffffff;
  border-top: 3px solid var(--deep-space);
  padding: 24px 22px;
  box-shadow: 0 6px 20px rgba(10, 20, 40, 0.05);
}

.page-products .prod-support-level {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--brand-blue);
  border: 1px solid var(--warm-gray);
  padding: 4px 10px;
  margin-bottom: 14px;
}

.page-products .prod-support-item h3 {
  font-size: 1.18rem;
  margin-bottom: 8px;
}

.page-products .prod-support-item p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #334155;
  margin-bottom: 16px;
}

.page-products .prod-support-bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-products .prod-support-visual .prod-frame {
  max-width: 360px;
}

.page-products .prod-support-note-wrap p.note {
  color: #475569;
  line-height: 1.7;
  margin-bottom: 8px;
}

.page-products .prod-support-note-wrap .btn {
  margin-top: 12px;
}

/* ===== 平板以上 ===== */
@media (min-width: 640px) {
  .page-products .prod-hero-frame {
    padding: 48px 40px 32px;
  }

  .page-products .prod-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.4rem);
  }

  .page-products .prod-module-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .prod-support-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .prod-support-bottom {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .prod-frame-portrait {
    max-width: 440px;
  }
}

/* ===== 桌面布局 ===== */
@media (min-width: 960px) {
  .page-products .prod-hero {
    padding-top: 48px;
    padding-bottom: 88px;
  }

  .page-products .prod-hero-frame {
    padding: 56px 64px 44px;
    max-width: 84%;
  }

  .page-products .prod-hero-frame::after {
    width: 64px;
  }

  .page-products .prod-hero-lead {
    font-size: 1.06rem;
  }

  .page-products .prod-login-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .page-products .prod-login-visual {
    position: sticky;
    top: 108px;
  }

  .page-products .prod-verification-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-products .prod-verification-visual {
    margin-top: 8px;
  }

  .page-products .prod-module-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid var(--prod-line);
  }

  .page-products .prod-module {
    min-height: 200px;
    border: none;
    border-right: 1px solid var(--prod-line);
  }

  .page-products .prod-module:last-child {
    border-right: none;
  }

  .page-products .prod-entry-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
  }

  .page-products .prod-entry-list li {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    gap: 20px;
  }

  .page-products .prod-support-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-products .prod-support-item {
    padding: 28px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}