.page-products {
  --hero-panel-bg: #10223f;
  --hero-panel-line: #2a3d5c;
  --card-bg: #ffffff;
  --card-border: #dfe6f0;
}

/* ===== 页面标题区 ===== */
.page-products .products-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 18px;
  margin-bottom: 36px;
}

.page-products .products-head__number {
  font-family: var(--font-num);
  font-size: 52px;
  font-weight: 800;
  line-height: 0.8;
  color: var(--c-accent);
  letter-spacing: -0.04em;
}

.page-products .products-head__text {
  min-width: 0;
}

.page-products .products-head h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.15;
  margin: 6px 0 0;
  color: var(--c-primary);
  letter-spacing: -0.01em;
}

.page-products .products-head__kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--c-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin: 0;
}

.page-products .products-head__kicker::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--c-accent);
  flex: 0 0 auto;
}

.page-products .products-head__intro {
  color: var(--c-soft);
  font-size: 15px;
  line-height: 1.75;
  margin: 10px 0 0;
  max-width: 64ch;
}

@media (min-width: 768px) {
  .page-products .products-head {
    grid-template-columns: 92px 1fr;
    align-items: start;
  }
  .page-products .products-head__number {
    font-size: 72px;
  }
}

/* ===== HERO ===== */
.page-products .products-hero {
  position: relative;
  background: var(--c-primary);
  color: var(--c-light);
  padding: 24px 0 72px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), 0 100%);
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 107, 53, 0.16) 40%, rgba(255, 107, 53, 0.16) 58%, transparent 58%);
  pointer-events: none;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  left: -90px;
  bottom: -36px;
  width: 240px;
  height: 240px;
  border: 2px solid var(--c-line);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-products .products-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
  padding-top: 28px;
}

.page-products .products-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 8px;
}

.page-products .products-hero .breadcrumb a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-products .products-hero .breadcrumb a:hover {
  color: var(--c-accent);
}

.page-products .products-hero .breadcrumb [aria-current="page"] {
  color: var(--c-light);
}

.page-products .products-hero__eyebrow {
  color: var(--c-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin: 0 0 12px;
}

.page-products .products-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.08;
  margin: 0 0 18px;
  color: var(--c-light);
  letter-spacing: -0.02em;
}

.page-products .products-hero__lead {
  color: var(--c-muted);
  font-size: 16px;
  line-height: 1.85;
  max-width: 58ch;
  margin: 0;
}

.page-products .products-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 26px;
}

.page-products .hero-board {
  position: relative;
  background: var(--hero-panel-bg);
  border: 1px solid var(--hero-panel-line);
  border-left: 4px solid var(--c-accent);
  padding: 22px 22px 18px;
  max-width: 460px;
  width: 100%;
}

.page-products .hero-board__badge {
  position: absolute;
  top: -12px;
  right: 14px;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 800;
  padding: 4px 10px;
  transform: rotate(3deg);
  letter-spacing: 0.04em;
}

.page-products .hero-board__label {
  color: var(--c-muted);
  font-size: 12px;
  letter-spacing: 0.14em;
  margin: 0 0 18px;
}

.page-products .hero-board__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 0;
}

.page-products .hero-board__stat dt {
  color: var(--c-muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.page-products .hero-board__stat dd {
  font-family: var(--font-num);
  font-size: 38px;
  font-weight: 800;
  color: var(--c-light);
  line-height: 1;
  margin: 0;
}

.page-products .hero-board__note {
  border-top: 1px solid var(--hero-panel-line);
  padding-top: 12px;
  margin: 20px 0 0;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.6;
}

@media (min-width: 992px) {
  .page-products .products-hero__inner {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
  }
  .page-products .hero-board {
    justify-self: end;
  }
}

/* ===== 01 功能总览 ===== */
.page-products .products-overview {
  background: var(--c-light);
  padding: 56px 0 64px;
}

.page-products .overview-layout {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-products .overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .page-products .overview-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .overview-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 24px 24px 22px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-products .overview-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 100%;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.page-products .overview-card:hover {
  border-color: var(--c-accent);
  transform: translateY(-4px);
}

.page-products .overview-card:hover::before {
  transform: scaleX(1);
}

.page-products .overview-card__step {
  font-family: var(--font-num);
  font-weight: 800;
  color: var(--c-accent);
  font-size: 15px;
  letter-spacing: 0.08em;
}

.page-products .overview-card h3 {
  font-family: var(--font-head);
  font-size: 19px;
  color: var(--c-primary);
  margin: 10px 0 8px;
}

.page-products .overview-card p {
  color: var(--c-soft);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
}

.page-products .overview-media {
  margin: 0;
}

.page-products .overview-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--card-border);
  object-fit: cover;
}

.page-products .overview-media figcaption {
  font-size: 13px;
  color: var(--c-soft);
  margin-top: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--c-accent);
  line-height: 1.6;
}

@media (min-width: 992px) {
  .page-products .overview-layout {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

/* ===== 02 主客场数据指标体系 ===== */
.page-products .products-data {
  position: relative;
  background: var(--c-primary);
  color: var(--c-light);
  padding: 56px 0 72px;
  border-top: 4px solid var(--c-accent);
}

.page-products .products-data h2 {
  color: var(--c-light);
}

.page-products .products-data .products-head__intro,
.page-products .products-data .products-head__kicker {
  color: var(--c-muted);
}

.page-products .data-layout {
  display: grid;
  gap: 44px;
}

@media (min-width: 992px) {
  .page-products .data-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 48px;
  }
}

.page-products .skill-tree {
  position: relative;
}

.page-products .skill-tree::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--c-line);
}

.page-products .skill-node {
  position: relative;
  margin-left: 30px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  transition: border-color 0.2s ease;
}

.page-products .skill-node:not(:last-child) {
  margin-bottom: 16px;
}

.page-products .skill-node:hover {
  border-color: var(--c-accent);
}

.page-products .skill-node::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 26px;
  width: 22px;
  height: 2px;
  background: var(--c-accent-soft);
  transform: rotate(-14deg);
  transform-origin: left center;
}

.page-products .skill-node summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-light);
  user-select: none;
}

.page-products .skill-node summary::-webkit-details-marker {
  display: none;
}

.page-products .skill-node__marker {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 800;
  color: var(--c-accent);
  background: rgba(255, 107, 53, 0.12);
  padding: 5px 8px;
  flex: 0 0 auto;
}

.page-products .skill-node p {
  margin: 0;
  padding: 0 18px 18px 52px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-products .data-visual {
  display: grid;
  gap: 26px;
}

.page-products .sport-tabs {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  padding: 20px;
}

.page-products .sport-tabs input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-products .sport-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .sport-tabs__labels label {
  padding: 8px 16px;
  background: var(--c-primary);
  border: 1px solid var(--c-line);
  color: var(--c-muted);
  cursor: pointer;
  font-size: 14px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-products .sport-tabs__labels label:hover {
  border-color: var(--c-accent);
  color: var(--c-light);
}

.page-products .sport-tab-panel {
  display: none;
}

.page-products .sport-tab-panel h3 {
  color: var(--c-light);
  font-size: 18px;
  margin: 0 0 10px;
}

.page-products .sport-tab-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .sport-tab-panel li {
  position: relative;
  padding: 6px 0 6px 22px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .sport-tab-panel li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--c-accent);
  font-weight: 700;
  font-size: 16px;
}

.page-products #tab-football:checked ~ .sport-tabs__labels label[for="tab-football"],
.page-products #tab-basketball:checked ~ .sport-tabs__labels label[for="tab-basketball"],
.page-products #tab-tennis:checked ~ .sport-tabs__labels label[for="tab-tennis"],
.page-products #tab-esports:checked ~ .sport-tabs__labels label[for="tab-esports"] {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

.page-products #tab-football:checked ~ .sport-tabs__panels #panel-football,
.page-products #tab-basketball:checked ~ .sport-tabs__panels #panel-basketball,
.page-products #tab-tennis:checked ~ .sport-tabs__panels #panel-tennis,
.page-products #tab-esports:checked ~ .sport-tabs__panels #panel-esports {
  display: block;
}

.page-products .data-visual__image {
  margin: 0;
}

.page-products .data-visual__image img {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.page-products .data-visual__image figcaption {
  color: var(--c-muted);
  font-size: 13px;
  margin-top: 10px;
  line-height: 1.6;
}

/* ===== 03 V3.0 本地浏览器特性 ===== */
.page-products .products-browser {
  background: var(--c-light);
  padding: 56px 0 64px;
}

.page-products .browser-layout {
  display: grid;
  gap: 36px;
  align-items: center;
}

@media (min-width: 992px) {
  .page-products .browser-layout {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

.page-products .browser-features {
  display: grid;
  gap: 14px;
}

.page-products .browser-feature {
  display: grid;
  grid-template-columns: 42px 1fr;
  column-gap: 16px;
  align-items: start;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 20px 22px;
  transition: border-color 0.2s ease;
}

.page-products .browser-feature:hover {
  border-color: var(--c-accent);
}

.page-products .browser-feature__index {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
}

.page-products .browser-feature h3 {
  font-size: 17px;
  color: var(--c-primary);
  margin: 0 0 6px;
}

.page-products .browser-feature p {
  color: var(--c-soft);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.page-products .browser-media {
  margin: 0;
  background: var(--c-primary);
  border: 1px solid var(--c-line);
  padding: 12px;
}

.page-products .browser-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products .browser-media figcaption {
  color: var(--c-muted);
  font-size: 13px;
  margin-top: 10px;
  padding-left: 8px;
  line-height: 1.6;
}

.page-products .browser-trust {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 768px) {
  .page-products .browser-trust {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .browser-trust__item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--c-primary);
  color: var(--c-light);
  padding: 20px 22px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-products .browser-trust__item strong {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
  flex: 0 0 auto;
}

.page-products .browser-trust__item span {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.5;
}

/* ===== 04 注册面板版本差异 ===== */
.page-products .products-register {
  background: var(--c-primary);
  color: var(--c-light);
  padding: 56px 0 64px;
  border-top: 4px solid var(--c-accent);
}

.page-products .products-register h2 {
  color: var(--c-light);
}

.page-products .products-register .products-head__intro,
.page-products .products-register .products-head__kicker {
  color: var(--c-muted);
}

.page-products .register-compare {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--c-accent) var(--c-panel);
}

.page-products .version-card {
  flex: 0 0 85%;
  max-width: 360px;
  scroll-snap-align: start;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  padding: 22px;
  transition: border-color 0.2s ease;
}

.page-products .version-card--v3 {
  border-color: rgba(255, 107, 53, 0.4);
}

.page-products .version-card--v3:hover {
  border-color: var(--c-accent);
}

.page-products .version-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .version-card__head h3 {
  color: var(--c-light);
  font-size: 18px;
  margin: 0;
}

.page-products .version-card__body p {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.page-products .version-card__path {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 18px 0 10px;
}

.page-products .version-card__path span {
  flex: 1;
  height: 8px;
  background: var(--c-line);
}

.page-products .version-card__path--long span {
  background: repeating-linear-gradient(90deg, var(--c-line) 0 6px, transparent 6px 12px);
}

.page-products .version-card__path--long span:last-child {
  flex: 0 0 36px;
  background: var(--c-accent);
}

.page-products .version-card__foot {
  color: var(--c-accent);
  font-size: 13px;
  font-weight: 700;
  border-top: 1px solid var(--c-line);
  padding-top: 10px;
  margin: 10px 0 0;
}

.page-products .version-card__steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .version-card__steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 107, 53, 0.08);
  border-left: 3px solid var(--c-accent);
  padding: 10px 12px;
  color: var(--c-light);
  font-size: 14px;
  line-height: 1.5;
}

.page-products .version-card__steps span {
  font-family: var(--font-num);
  font-weight: 800;
  color: var(--c-accent);
}

@media (min-width: 992px) {
  .page-products .register-compare {
    overflow-x: visible;
  }
  .page-products .version-card {
    flex: 1 1 0;
    max-width: none;
  }
}

.page-products .register-media {
  margin-top: 32px;
}

.page-products .register-media figure {
  margin: 0;
  display: grid;
  gap: 14px;
  align-items: center;
}

@media (min-width: 768px) {
  .page-products .register-media figure {
    grid-template-columns: 460px 1fr;
  }
}

.page-products .register-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products .register-media figcaption {
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.7;
  border-left: 3px solid var(--c-accent);
  padding-left: 14px;
}

/* ===== 05 兼容设备与浏览器 ===== */
.page-products .products-compat {
  background: var(--c-light);
  padding: 56px 0 64px;
}

.page-products .compat-layout {
  display: grid;
  gap: 36px;
  align-items: center;
}

@media (min-width: 992px) {
  .page-products .compat-layout {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

.page-products .compat-platforms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (min-width: 992px) {
  .page-products .compat-platforms {
    grid-template-columns: 1fr 1fr;
  }
}

.page-products .compat-platform {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 22px 14px;
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-products .compat-platform:hover {
  border-color: var(--c-accent);
  transform: translateY(-3px);
}

.page-products .compat-platform__icon {
  display: block;
  width: 46px;
  height: 46px;
  margin: 0 auto 14px;
  background: var(--c-primary);
  position: relative;
}

.page-products .compat-platform__icon::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 2px solid var(--c-accent);
}

.page-products .compat-platform__icon--win::after {
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-products .compat-platform__icon--mac::after {
  border-radius: 50%;
}

.page-products .compat-platform__icon--ios::after {
  border-radius: 10px;
}

.page-products .compat-platform__icon--android::after {
  transform: rotate(45deg);
  border-radius: 2px;
  background: var(--c-accent);
  border-color: transparent;
}

.page-products .compat-platform h3 {
  font-size: 16px;
  color: var(--c-primary);
  margin: 0 0 6px;
}

.page-products .compat-platform p {
  font-size: 13px;
  color: var(--c-soft);
  margin: 0;
  line-height: 1.6;
}

.page-products .compat-media {
  margin: 0;
}

.page-products .compat-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--card-border);
}

.page-products .compat-media figcaption {
  color: var(--c-soft);
  font-size: 13px;
  margin-top: 10px;
  border-left: 3px solid var(--c-accent);
  padding-left: 12px;
  line-height: 1.6;
}

/* ===== NEXT/CTA ===== */
.page-products .products-next {
  position: relative;
  background: var(--c-primary);
  color: var(--c-light);
  padding: 56px 0 64px;
  overflow: hidden;
}

.page-products .products-next::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 55%, rgba(255, 107, 53, 0.14) 55%, rgba(255, 107, 53, 0.14) 65%, transparent 65%);
  pointer-events: none;
}

.page-products .products-next__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.page-products .products-next h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 38px);
  margin: 0 0 12px;
  color: var(--c-light);
}

.page-products .products-next p {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 26px;
}

.page-products .products-next__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}