/* ===== 功能中心 /features/ 页面专属样式 ===== */
.page-products {
  --fc-gap: clamp(1rem, 2.4vw, 1.6rem);
  --fc-gap-lg: clamp(1.6rem, 4.2vw, 3rem);
  --fc-pad: clamp(1.05rem, 2.6vw, 1.9rem);
  --fc-rule: rgba(201, 210, 204, 0.16);
  --fc-rule-strong: rgba(201, 210, 204, 0.36);
  --fc-lime-soft: rgba(183, 255, 74, 0.1);
  --fc-pitch-soft: rgba(11, 42, 35, 0.62);
  background: var(--bg);
  color: var(--text);
}

/* ---------- 面包屑 ---------- */
.page-products .fc-crumb-wrap {
  padding-top: clamp(0.9rem, 2.6vw, 1.6rem);
  padding-bottom: clamp(0.4rem, 1.4vw, 0.8rem);
}
.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--step-small);
  color: var(--text-dim);
}
.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--turf);
}
.page-products .crumb-link {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .crumb-link:hover {
  color: var(--lime);
  border-bottom-color: var(--line-lime);
}

/* ---------- 首屏 ---------- */
.page-products .fc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.8rem, 5.5vw, 3.9rem) 0 clamp(2rem, 5.5vw, 3.6rem);
  background:
    radial-gradient(115% 85% at 88% -12%, rgba(31, 138, 91, 0.42), transparent 62%),
    linear-gradient(180deg, var(--night-deep) 0%, var(--night) 100%);
}
.page-products .fc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(183, 255, 74, 0.05) 0 1px,
    transparent 1px 92px
  );
}
.page-products .fc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--turf) 0%,
    var(--lime) 42%,
    var(--signal) 72%,
    var(--alert) 100%
  );
}
.page-products .fc-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--fc-gap-lg);
}
.page-products .fc-hero-main h1 {
  margin: 0.55rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.15rem, 7.4vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-products .fc-hero-lead {
  max-width: 56ch;
  margin: 0;
  font-size: var(--step-body);
  line-height: 1.9;
  color: var(--text-dim);
}
.page-products .fc-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.2rem, 3vw, 1.9rem);
}
.page-products .fc-hero-aside {
  border: 1px solid var(--fc-rule);
  border-left: 3px solid var(--lime);
  background: var(--fc-pitch-soft);
  padding: var(--fc-pad);
}
.page-products .fc-aside-title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-products .fc-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .fc-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3.6vw, 1.75rem);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}
.page-products .fc-stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: var(--step-micro);
  color: var(--text-dim);
  line-height: 1.5;
}

/* ---------- 章节抬头 ---------- */
.page-products .fc-head .section-lead {
  max-width: 62ch;
}

/* ---------- 标签页 ---------- */
.page-products .fc-tablist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: var(--fc-gap-lg);
  padding: 0 0 var(--fc-gap);
  border-bottom: 1px solid var(--fc-rule);
}
.page-products .fc-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.28rem;
  margin: 0;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--fc-rule);
  border-top: 2px solid transparent;
  border-radius: 0;
  background: rgba(11, 42, 35, 0.55);
  color: var(--text-dim);
  font: inherit;
  text-align: left;
  cursor: pointer;
  appearance: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease),
    background-color 0.25s var(--ease);
}
.page-products .fc-tab:hover {
  color: var(--white);
  border-color: var(--fc-rule-strong);
}
.page-products .fc-tab:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}
.page-products .fc-tab.is-active {
  background: var(--fc-lime-soft);
  border-color: var(--line-lime);
  border-top-color: var(--lime);
  color: var(--white);
}
.page-products .fc-tab-idx {
  font-size: var(--step-micro);
  letter-spacing: 0.14em;
  color: var(--turf);
}
.page-products .fc-tab.is-active .fc-tab-idx {
  color: var(--lime);
}
.page-products .fc-tab-name {
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.2;
}
.page-products .fc-tab-note {
  font-size: var(--step-micro);
  color: var(--text-dim);
  line-height: 1.4;
}

/* ---------- 面板 ---------- */
.page-products .fc-panel {
  display: none;
}
.page-products .fc-panel.is-active {
  display: block;
  animation: fc-fade 0.38s var(--ease) both;
}
@keyframes fc-fade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-products .fc-panel.is-active {
    animation: none;
  }
  .page-products .fc-lamp {
    animation: none;
  }
}

.page-products .fc-panel-grid {
  display: grid;
  gap: var(--fc-gap);
}
.page-products .fc-media {
  margin: 0;
}
.page-products .fc-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .fc-panel-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-products .fc-panel-copy p {
  margin: 0 0 0.9rem;
  font-size: var(--step-body);
  line-height: 1.9;
  color: var(--text-dim);
}
.page-products .fc-panel-copy p:last-child {
  margin-bottom: 0;
}

/* ---------- 四维筛选 ---------- */
.page-products .fc-dims {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(178px, 1fr));
  gap: 0.6rem;
  margin: var(--fc-gap) 0 0;
  padding: 0;
  list-style: none;
}
.page-products .fc-dim {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
  padding: 0.85rem 0.95rem;
  border-left: 2px solid var(--turf);
  background: rgba(11, 42, 35, 0.6);
}
.page-products .fc-dim-idx {
  font-size: var(--step-micro);
  letter-spacing: 0.14em;
  color: var(--lime);
}
.page-products .fc-dim-name {
  font-size: var(--step-body);
  font-weight: 700;
  color: var(--white);
}
.page-products .fc-dim-note {
  font-size: var(--step-small);
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 次级说明栏 ---------- */
.page-products .fc-sub {
  display: grid;
  gap: var(--fc-gap);
  margin-top: var(--fc-gap-lg);
}
.page-products .fc-sub-col {
  padding: var(--fc-pad);
  border: 1px solid var(--fc-rule);
  background: rgba(4, 16, 12, 0.5);
}
.page-products .fc-sub-col--accent {
  border-left: 3px solid var(--cyan);
  background: rgba(45, 212, 191, 0.07);
}
.page-products .fc-sub-title {
  margin: 0 0 0.7rem;
  font-size: var(--step-3);
  font-weight: 700;
  color: var(--white);
}
.page-products .fc-sub-col--accent p {
  margin: 0;
  font-size: var(--step-body);
  line-height: 1.85;
  color: var(--text-dim);
}
.page-products .fc-bullets {
  margin: 0;
  padding-left: 1.15rem;
  list-style: none;
}
.page-products .fc-bullets li {
  position: relative;
  margin-bottom: 0.55rem;
  font-size: var(--step-body);
  line-height: 1.75;
  color: var(--text-dim);
}
.page-products .fc-bullets li:last-child {
  margin-bottom: 0;
}
.page-products .fc-bullets li::before {
  content: "";
  position: absolute;
  left: -1.15rem;
  top: 0.72em;
  width: 0.5rem;
  height: 2px;
  background: var(--lime);
}

/* ---------- 表格 ---------- */
.page-products .fc-table-wrap {
  margin-top: var(--fc-gap-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--fc-rule);
  background: rgba(4, 16, 12, 0.62);
}
.page-products .fc-table-cap {
  padding: 0.75rem 0.95rem 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.12em;
  color: var(--lime);
}
.page-products .fc-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}
.page-products .fc-table th,
.page-products .fc-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--fc-rule);
  font-size: var(--step-small);
  white-space: nowrap;
  color: var(--text-dim);
}
.page-products .fc-table thead th {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--lime);
  background: rgba(31, 138, 91, 0.16);
}
.page-products .fc-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-products .fc-table tbody tr:hover {
  background: rgba(183, 255, 74, 0.06);
}
.page-products .fc-table td.mono {
  font-family: var(--font-mono);
  color: var(--white);
}
.page-products .fc-note {
  margin: var(--fc-gap) 0 0;
  padding-left: 0.95rem;
  border-left: 2px solid var(--signal);
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 会员步骤 ---------- */
.page-products .fc-steps {
  display: grid;
  gap: 0.7rem;
  margin: var(--fc-gap-lg) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: fc-step;
}
.page-products .fc-step {
  position: relative;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--fc-rule);
  border-top: 2px solid var(--turf);
  background: rgba(11, 42, 35, 0.55);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-products .fc-step:hover {
  border-color: var(--line-lime);
  border-top-color: var(--lime);
  transform: translateY(-2px);
}
.page-products .fc-step-idx {
  display: block;
  margin-bottom: 0.5rem;
  font-size: var(--step-micro);
  letter-spacing: 0.16em;
  color: var(--lime);
}
.page-products .fc-step-title {
  margin: 0 0 0.45rem;
  font-size: var(--step-body);
  font-weight: 700;
  color: var(--white);
}
.page-products .fc-step p {
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 四条线索 ---------- */
.page-products .fc-traces {
  display: grid;
  gap: 0.6rem;
  margin: var(--fc-gap) 0 0;
  padding: 0;
  list-style: none;
}
.page-products .fc-trace {
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem 0.95rem;
  border-left: 2px solid var(--cyan);
  background: rgba(45, 212, 191, 0.06);
}
.page-products .fc-trace-idx {
  font-size: var(--step-micro);
  letter-spacing: 0.14em;
  color: var(--cyan);
}
.page-products .fc-trace-name {
  font-size: var(--step-body);
  font-weight: 700;
  color: var(--white);
}
.page-products .fc-trace-note {
  font-size: var(--step-small);
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 红黄牌图例 ---------- */
.page-products .fc-legend {
  display: grid;
  gap: 0.5rem;
  margin: var(--fc-gap) 0 0;
  padding: 0;
  list-style: none;
}
.page-products .fc-legend li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: var(--step-small);
  line-height: 1.7;
  color: var(--text-dim);
}
.page-products .fc-swatch {
  flex: 0 0 auto;
  width: 14px;
  height: 19px;
  margin-top: 0.14rem;
  border-radius: 1px;
}
.page-products .fc-swatch--yellow {
  background: var(--signal);
}
.page-products .fc-swatch--red {
  background: var(--alert);
}

/* ---------- 报名项目与流程 ---------- */
.page-products .fc-projects {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--fc-gap-lg) 0 0;
  padding: 0;
  list-style: none;
}
.page-products .fc-project {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line-lime);
  background: var(--fc-lime-soft);
  font-size: var(--step-small);
  font-weight: 600;
  color: var(--lime);
}
.page-products .fc-project--more {
  border-color: var(--fc-rule-strong);
  background: transparent;
  color: var(--text-dim);
  font-weight: 400;
}
.page-products .fc-signup {
  display: grid;
  gap: var(--fc-gap);
  margin-top: var(--fc-gap);
}
.page-products .fc-signup-col {
  padding: var(--fc-pad);
  border: 1px solid var(--fc-rule);
  background: rgba(4, 16, 12, 0.5);
}
.page-products .fc-signup-title {
  margin: 0 0 0.75rem;
  font-size: var(--step-3);
  font-weight: 700;
  color: var(--white);
}
.page-products .fc-signup-steps {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-dim);
}
.page-products .fc-signup-steps li {
  margin-bottom: 0.6rem;
  font-size: var(--step-body);
  line-height: 1.75;
}
.page-products .fc-signup-steps li:last-child {
  margin-bottom: 0;
}
.page-products .fc-signup-steps li::marker {
  font-family: var(--font-mono);
  color: var(--lime);
}

/* ---------- 多联赛并行 ---------- */
.page-products .fc-multi {
  background:
    linear-gradient(180deg, rgba(31, 138, 91, 0.1) 0%, transparent 42%),
    var(--bg);
}
.page-products .fc-multi-grid {
  display: grid;
  gap: var(--fc-gap-lg);
}
.page-products .fc-leagues {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(clamp(200px, 46%, 240px), 1fr));
}
.page-products .fc-league {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.05rem 1.1rem;
  border: 1px solid var(--fc-rule);
  border-top: 3px solid var(--turf);
  background: rgba(11, 42, 35, 0.6);
}
.page-products .fc-league.is-live {
  border-top-color: var(--lime);
}
.page-products .fc-lamp {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(183, 255, 74, 0.16);
  animation: fc-pulse 2.8s ease-in-out infinite;
}
.page-products .fc-lamp--idle {
  background: var(--grey);
  box-shadow: 0 0 0 4px rgba(201, 210, 204, 0.14);
  animation: none;
}
@keyframes fc-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.42;
  }
}
.page-products .fc-league-name {
  margin: 0;
  font-size: var(--step-3);
  font-weight: 700;
  color: var(--white);
}
.page-products .fc-league-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-products .fc-league-note {
  margin: 0.15rem 0 0;
  font-size: var(--step-small);
  line-height: 1.65;
  color: var(--text-dim);
}
.page-products .fc-multi-notes {
  display: grid;
  gap: var(--fc-gap);
  margin-top: var(--fc-gap-lg);
}
.page-products .fc-multi-note {
  padding-top: 0.9rem;
  border-top: 1px solid var(--fc-rule);
}
.page-products .fc-multi-note-title {
  margin: 0 0 0.5rem;
  font-size: var(--step-body);
  font-weight: 700;
  color: var(--lime);
}
.page-products .fc-multi-note p {
  margin: 0;
  font-size: var(--step-small);
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 设备与访问 ---------- */
.page-products .fc-device {
  background: linear-gradient(180deg, transparent, rgba(4, 16, 12, 0.6));
}
.page-products .fc-device-grid {
  display: grid;
  gap: var(--fc-gap);
}
.page-products .fc-device-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--fc-pad);
  border: 1px solid var(--fc-rule);
  border-left: 3px solid var(--turf);
  background: rgba(11, 42, 35, 0.55);
}
.page-products .fc-device-name {
  margin: 0;
  font-size: var(--step-2);
  font-weight: 800;
  color: var(--white);
}
.page-products .fc-device-card p {
  margin: 0;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--text-dim);
}
.page-products .fc-device-tag {
  margin-top: auto;
  padding-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.12em;
  color: var(--lime);
}

/* ---------- 结尾指引 ---------- */
.page-products .fc-next-grid {
  display: grid;
  gap: var(--fc-gap-lg);
  padding: clamp(1.4rem, 4vw, 2.6rem);
  border: 1px solid var(--line-lime);
  background:
    linear-gradient(135deg, rgba(31, 138, 91, 0.22), transparent 58%),
    rgba(4, 16, 12, 0.7);
}
.page-products .fc-next-copy p {
  margin: 0.85rem 0 0;
  max-width: 60ch;
  font-size: var(--step-body);
  line-height: 1.9;
  color: var(--text-dim);
}
.page-products .fc-next-links {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .fc-multi-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .fc-device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-products .fc-tablist {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.7rem;
  }
  .page-products .fc-sub {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
  .page-products .fc-signup {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--fc-gap-lg);
  }
  .page-products .fc-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .fc-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .fc-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .fc-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(270px, 0.78fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 4rem);
  }
  .page-products .fc-panel-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: var(--fc-gap-lg);
    align-items: start;
  }
  .page-products .fc-panel-grid--rev {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  }
  .page-products .fc-panel-grid--rev .fc-media {
    order: 2;
  }
  .page-products .fc-panel-grid--rev .fc-panel-copy {
    order: 1;
  }
  .page-products .fc-multi-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-products .fc-next-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.7fr);
    align-items: center;
  }
}

@media (min-width: 1120px) {
  .page-products .fc-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.6rem;
  }
}
<<<END>>>