.page-products {
  --section-space: clamp(3rem, 6vw, 5rem);
  --hero-line: var(--line-gray);
  --page-panel-bg: var(--charcoal);
  background: var(--black);
  overflow-x: hidden;
}

/* 面包屑 */
.page-products .page-breadcrumb {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .9rem 0;
  font-family: var(--font-body);
  font-size: .85rem;
  color: var(--gray);
  letter-spacing: .02em;
  border-bottom: 1px solid var(--line-gray);
}
.page-products .page-breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  transition: color var(--transition);
}
.page-products .page-breadcrumb a:hover {
  color: var(--bright-gold);
}
.page-products .page-breadcrumb-sep {
  color: var(--line-gray);
  margin: 0 .1rem;
}
.page-products .page-breadcrumb-current {
  color: var(--gold);
}

/* ===== Hero 区域 ===== */
.page-products .service-hero {
  position: relative;
  padding: var(--spacer-4) 0 var(--spacer-6);
  background:
    linear-gradient(180deg, rgba(13,79,60,.18) 0%, transparent 45%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.02) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.02) 0 1px, transparent 1px 72px),
    var(--black);
  border-bottom: 1px solid var(--line-gray);
}
.page-products .service-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--deep-green) 75%);
}
.page-products .service-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacer-4);
}

/* 左侧服务索引 */
.page-products .service-index {
  display: flex;
  flex-direction: column;
  gap: var(--spacer-3);
}
.page-products .service-index-list {
  list-style: none;
  margin: var(--spacer-2) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-gray);
}
.page-products .service-index-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .7rem .5rem;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gray);
  transition: background-color var(--transition), color var(--transition), padding-left var(--transition);
}
.page-products .service-index-link .index-num {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--gold);
  letter-spacing: .08em;
}
.page-products .service-index-link:hover {
  background: rgba(13,79,60,.35);
  color: var(--bright-gold);
  padding-left: .9rem;
}
.page-products .service-index-meta {
  display: flex;
  gap: var(--spacer-3);
  margin-top: var(--spacer-2);
  padding: var(--spacer-2);
  border: 1px solid var(--line-gray);
  background: var(--page-panel-bg);
}
.page-products .index-meta-item {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.page-products .index-meta-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}
.page-products .index-meta-label {
  font-size: .75rem;
  color: var(--gray);
}

/* Hero 内容 */
.page-products .hero-content {
  min-width: 0;
}
.page-products .hero-content h1 {
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.55rem, 4vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: .6rem 0 1rem;
  max-width: 14em;
  text-wrap: balance;
}
.page-products .hero-lead {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--gray);
  max-width: 38em;
  margin: 0 0 var(--spacer-3);
}
.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  margin-bottom: var(--spacer-4);
  max-width: 480px;
}
.page-products .hero-stat-cell {
  padding: .85rem .5rem;
  text-align: center;
  background: var(--page-panel-bg);
  border: 1px solid var(--line-gray);
  border-top: 2px solid var(--gold);
}
.page-products .hero-stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}
.page-products .hero-stat-label {
  display: block;
  font-size: .75rem;
  color: var(--gray);
  margin-top: .25rem;
}

/* 技能树面板 */
.page-products .skill-tree-panel {
  margin-top: var(--spacer-3);
  border: 1px solid var(--line-gray);
  background: rgba(10,10,10,.65);
  padding: var(--spacer-2) var(--spacer-2) calc(var(--spacer-2) + .25rem);
  box-shadow: var(--shadow-card);
}
.page-products .skill-tree-title {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--bright-gold);
  letter-spacing: .12em;
  margin-bottom: .5rem;
  padding-left: .25rem;
  border-left: 3px solid var(--gold);
  padding-left: .6rem;
}
.page-products .skill-tree-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-products .skill-tree {
  display: block;
  min-width: 680px;
  width: 100%;
  height: auto;
}

/* 技能树节点交互 */
.page-products .skill-node {
  cursor: default;
}
.page-products .skill-node rect {
  transition: stroke var(--transition), fill var(--transition);
}
.page-products .skill-node:hover rect {
  stroke: var(--gold);
  fill: #14231e;
}
.page-products .skill-tip {
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  transform: translateY(-5px);
  pointer-events: none;
}
.page-products .skill-node:hover .skill-tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.page-products .skill-root text {
  pointer-events: none;
}

/* ===== 通用 section ===== */
.page-products .service-section {
  padding: var(--section-space) 0;
  border-bottom: 1px solid var(--line-gray);
  position: relative;
}
.page-products .section-head {
  margin-bottom: var(--spacer-4);
}
.page-products .section-head h2 {
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  color: var(--white);
  letter-spacing: -0.01em;
  margin: .35rem 0 .5rem;
}
.page-products .section-head p {
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--gray);
  line-height: 1.7;
  max-width: 42em;
  margin: 0;
}

/* ===== 01 网页版核心功能 ===== */
.page-products #web-core .core-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacer-4);
}
.page-products .core-visual {
  overflow: hidden;
  border: 1px solid var(--line-gray);
  background: var(--charcoal);
}
.page-products .core-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform .45s ease;
}
.page-products .core-visual:hover img {
  transform: scale(1.02);
}
.page-products .core-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacer-2);
}
.page-products .core-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: var(--page-panel-bg);
  border: 1px solid var(--line-gray);
  border-left: 3px solid var(--deep-green);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-products .core-item:hover {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(212,175,55,.18);
}
.page-products .core-item-mark {
  color: var(--gold);
  font-size: 1.1rem;
  line-height: 1.4;
  flex-shrink: 0;
}
.page-products .core-item-body h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 .35rem;
}
.page-products .core-item-body p {
  font-size: .9rem;
  color: var(--gray);
  line-height: 1.7;
  margin: 0;
}

/* ===== 02 iOS ===== */
.page-products .ios-service-section {
  background:
    radial-gradient(ellipse at 78% 50%, rgba(13,79,60,.18) 0%, transparent 60%),
    rgba(20,20,20,.35);
}
.page-products .ios-service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacer-5);
  align-items: center;
}
.page-products .ios-copy h2 {
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  color: var(--white);
  margin: .35rem 0 1rem;
}
.page-products .ios-copy > p {
  color: var(--gray);
  line-height: 1.75;
  margin: 0 0 var(--spacer-3);
}
.page-products .ios-feature-list {
  list-style: none;
  margin: 0 0 var(--spacer-3);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .65rem .9rem;
}
.page-products .ios-feature-list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: .9rem;
  color: var(--white);
  line-height: 1.6;
}
.page-products .ios-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: .55rem;
  height: .55rem;
  background: var(--deep-green);
  transform: rotate(45deg);
  border: 1px solid var(--gold);
}
.page-products .ios-compat-note {
  display: flex;
  gap: .75rem;
  align-items: baseline;
  padding: .8rem 1rem;
  border: 1px solid var(--line-gray);
  background: rgba(13,79,60,.15);
  font-size: .85rem;
  color: var(--gray);
  line-height: 1.6;
}
.page-products .ios-compat-note .compat-year {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold);
  flex-shrink: 0;
}
.page-products .ios-device {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacer-2);
}
.page-products .device-frame {
  max-width: 220px;
  padding: .6rem .4rem .9rem;
  border: 2px solid var(--line-gray);
  border-radius: 1.4rem;
  background: var(--black);
  box-shadow: var(--shadow-card), 0 12px 32px rgba(0,0,0,.4);
  transform: rotate(-2deg);
  transition: border-color var(--transition), transform var(--transition);
}
.page-products .device-frame:hover {
  border-color: var(--gold);
  transform: rotate(0deg);
}
.page-products .device-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: .6rem;
  object-fit: cover;
}
.page-products .device-switch-labels {
  display: flex;
  gap: .5rem;
}
.page-products .device-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gray);
  padding: .3rem .7rem;
  border: 1px solid var(--line-gray);
  transition: all var(--transition);
}
.page-products .device-label.is-active,
.page-products .device-label:hover {
  color: var(--bright-gold);
  border-color: var(--gold);
  background: rgba(13,79,60,.3);
}

/* ===== 03 转会 ===== */
.page-products .transfer-service-section {
  background:
    linear-gradient(180deg, rgba(13,79,60,.1) 0%, transparent 30%),
    var(--black);
}
.page-products .transfer-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacer-4);
}
.page-products .transfer-pipeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacer-2);
}
.page-products .pipeline-stage {
  position: relative;
  padding: 1rem 1.2rem 1rem 2.4rem;
  background: var(--page-panel-bg);
  border: 1px solid var(--line-gray);
  border-left: 3px solid var(--deep-green);
  transition: border-color var(--transition);
}
.page-products .pipeline-stage:hover {
  border-color: var(--gold);
}
.page-products .stage-num {
  position: absolute;
  left: .7rem;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--gold);
  font-weight: 700;
}
.page-products .pipeline-stage h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 .3rem;
}
.page-products .pipeline-stage p {
  font-size: .85rem;
  color: var(--gray);
  line-height: 1.7;
  margin: 0;
}
.page-products .pipeline-arrow {
  color: var(--gold);
  font-size: 1.3rem;
  text-align: center;
  line-height: 1;
  opacity: .75;
}
.page-products .transfer-refresh {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-top: var(--spacer-2);
  padding: .55rem 1rem;
  border: 1px solid rgba(212,175,55,.4);
  background: rgba(13,79,60,.25);
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--bright-gold);
  letter-spacing: .05em;
}
.page-products .transfer-refresh-icon {
  font-size: 1.15rem;
  animation: none;
}
.page-products .transfer-visual {
  overflow: hidden;
  border: 1px solid var(--line-gray);
  background: var(--charcoal);
}
.page-products .transfer-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 04 体验路径 ===== */
.page-products .path-service-section {
  background: linear-gradient(180deg, transparent 0%, rgba(13,79,60,.16) 100%);
}
.page-products .path-diagram {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacer-2);
  margin-bottom: var(--spacer-4);
}
.page-products .path-step-card {
  padding: var(--spacer-3);
  background: var(--page-panel-bg);
  border: 1px solid var(--line-gray);
  border-top: 3px solid var(--gold);
  transition: border-color var(--transition), background-color var(--transition);
}
.page-products .path-step-card:hover {
  border-color: var(--gold);
  background: #20201f;
}
.page-products .path-step-index {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--bright-gold);
  display: block;
  margin-bottom: .6rem;
}
.page-products .path-step-card h3 {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 .4rem;
}
.page-products .path-step-card p {
  font-size: .88rem;
  color: var(--gray);
  line-height: 1.7;
  margin: 0 0 .8rem;
}
.page-products .path-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212,175,55,.4);
  transition: color var(--transition), border-color var(--transition);
}
.page-products .path-link:hover {
  color: var(--bright-gold);
  border-color: var(--bright-gold);
}
.page-products .path-diagram-arrow {
  color: var(--gold);
  font-size: 1.4rem;
  line-height: 1;
  text-align: center;
  transform: rotate(90deg);
  opacity: .7;
}
.page-products .analysis-visual {
  margin-top: var(--spacer-3);
  border: 1px solid var(--line-gray);
  background: var(--charcoal);
  overflow: hidden;
}
.page-products .analysis-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 05 场馆信息 ===== */
.page-products .venue-service-section {
  background: var(--black);
}
.page-products .venue-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacer-5);
  align-items: center;
}
.page-products .venue-visual {
  overflow: hidden;
  border: 1px solid var(--line-gray);
  position: relative;
  box-shadow: var(--shadow-card);
}
.page-products .venue-visual::after {
  content: "";
  display: block;
  padding-top: 50%;
}
.page-products .venue-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .venue-copy h2 {
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  color: var(--white);
  margin: .35rem 0 1rem;
}
.page-products .venue-copy > p {
  color: var(--gray);
  line-height: 1.75;
  margin: 0 0 var(--spacer-3);
}
.page-products .venue-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
  margin-bottom: var(--spacer-3);
}
.page-products .venue-fact-cell {
  padding: .75rem .5rem;
  text-align: center;
  background: var(--page-panel-bg);
  border: 1px solid var(--line-gray);
  border-bottom: 2px solid var(--deep-green);
  transition: border-color var(--transition);
}
.page-products .venue-fact-cell:hover {
  border-color: var(--gold);
}
.page-products .venue-fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}
.page-products .venue-fact-label {
  display: block;
  font-size: .72rem;
  color: var(--gray);
  margin-top: .2rem;
}

/* ===== 生态面板 ===== */
.page-products .ecosystem-section {
  border-bottom: none;
  padding-bottom: var(--spacer-6);
}
.page-products .ecosystem-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacer-3);
  padding: var(--spacer-4);
  background:
    linear-gradient(135deg, rgba(13,79,60,.4) 0%, transparent 55%),
    var(--charcoal);
  border: 1px solid var(--line-gray);
  border-left: 4px solid var(--gold);
  box-shadow: var(--shadow-card);
}
.page-products .ecosystem-text h2 {
  font-family: var(--font-title);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  color: var(--white);
  margin: .3rem 0 .8rem;
}
.page-products .ecosystem-text p {
  font-size: .92rem;
  color: var(--gray);
  line-height: 1.8;
  margin: 0;
  max-width: 42em;
}
.page-products .ecosystem-links {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}
.page-products .btn {
  text-decoration: none;
}

/* ===== 响应式：平板/桌面 ===== */
@media (min-width: 768px) {
  .page-products .service-hero-grid {
    grid-template-columns: 250px 1fr;
    gap: var(--spacer-5);
  }
  .page-products .service-index {
    position: sticky;
    top: 1rem;
    align-self: start;
  }
  .page-products .core-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-products .ios-service-grid {
    grid-template-columns: 1.1fr .9fr;
    gap: var(--spacer-5);
  }
  .page-products .transfer-layout {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
  }
  .page-products .path-diagram {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: stretch;
  }
  .page-products .path-diagram-arrow {
    transform: rotate(0deg);
    align-self: center;
  }
  .page-products .venue-grid {
    grid-template-columns: .9fr 1.1fr;
    gap: var(--spacer-5);
  }
  .page-products .ecosystem-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .page-products .ecosystem-links {
    flex-shrink: 0;
  }
  .page-products .ios-feature-list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1080px) {
  .page-products .ios-feature-list {
    grid-template-columns: 1fr 1fr;
  }
}