.page-products {
  --pp-gap: clamp(18px, 3vw, 30px);
  --pp-line-soft: rgba(34, 48, 74, 0.72);
  --pp-card-bg: rgba(20, 32, 52, 0.62);
  --pp-card-solid: #101A2C;
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

.page-products img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-products .exp-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(36px, 6vw, 72px);
}

.page-products .exp-hero-split {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 34px);
}

@media (min-width: 900px) {
  .page-products .exp-hero-split {
    grid-template-columns: 5fr 6fr;
    align-items: center;
  }
}

.page-products .exp-hero-copy h1 {
  font-size: clamp(32px, 5.4vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  font-weight: 800;
}

.page-products .exp-lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--fg-2);
}

.page-products .exp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .exp-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 44px);
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: clamp(16px, 2.4vw, 22px) 0 0;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .exp-hero-facts div {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}

.page-products .exp-hero-facts dt {
  font-size: 13px;
  color: var(--fg-2);
  letter-spacing: 0.04em;
}

.page-products .exp-hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 500;
  color: var(--cy-soft);
  letter-spacing: 0.03em;
}

.page-products .exp-hero-visual {
  position: relative;
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 12% 10%, rgba(63, 224, 208, 0.14), transparent 62%),
    radial-gradient(110% 90% at 92% 90%, rgba(240, 71, 154, 0.14), transparent 60%),
    var(--ink-1);
  overflow: hidden;
  padding: clamp(12px, 2vw, 22px);
}

.page-products .exp-hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .exp-wave {
  stroke-dasharray: 22 12;
  animation: pp-drift 7s linear infinite;
}

.page-products .exp-wave--b {
  animation-duration: 10s;
  animation-direction: reverse;
}

@keyframes pp-drift {
  to { stroke-dashoffset: -340; }
}

.page-products .exp-node {
  animation: pp-pulse 3.2s var(--ease) infinite;
}

.page-products .exp-node--2 { animation-delay: 0.4s; }
.page-products .exp-node--3 { animation-delay: 0.8s; }

@keyframes pp-pulse {
  0%, 100% { opacity: 0.45; r: 4; }
  50% { opacity: 1; r: 6.4; }
}

/* ---------- 通用章节头 ---------- */

.page-products .exp-sec-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-products .exp-sec-head h2 {
  margin: 12px 0 0;
}

.page-products .exp-sec-lede {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--fg-2);
}

.page-products .exp-modules-visual,
.page-products .exp-terminals-visual,
.page-products .exp-cases-visual {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

/* ---------- 功能模块 ---------- */

.page-products .exp-modules {
  padding: clamp(36px, 6vw, 72px) 0;
}

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

@media (min-width: 720px) {
  .page-products .exp-modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-products .exp-modules-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-products .exp-module {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 26px);
  background: var(--pp-card-bg);
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-md);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .exp-module:hover,
.page-products .exp-module:focus-within {
  border-color: var(--cy);
  transform: translateY(-3px);
}

.page-products .exp-module-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: var(--cy);
  border: 1px solid rgba(63, 224, 208, 0.34);
  background: linear-gradient(140deg, rgba(63, 224, 208, 0.16), rgba(122, 92, 255, 0.08));
}

.page-products .exp-module-icon svg {
  width: 26px;
  height: 26px;
}

.page-products .exp-module h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-products .exp-module p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-2);
}

.page-products .exp-module-link {
  margin-top: auto;
}

.page-products .exp-module-link a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cy-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-products .exp-module-link a:hover,
.page-products .exp-module-link a:focus-visible {
  color: var(--cy);
  border-bottom-color: var(--cy);
}

/* ---------- 登录路径 ---------- */

.page-products .exp-login {
  padding: clamp(36px, 6vw, 76px) 0;
  position: relative;
}

.page-products .exp-login::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-veil);
  opacity: 0.5;
  pointer-events: none;
}

.page-products .exp-split {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

@media (min-width: 940px) {
  .page-products .exp-split {
    grid-template-columns: 6fr 5fr;
    align-items: start;
  }
}

.page-products .exp-login-copy h2 {
  margin: 12px 0 0;
}

.page-products .exp-steps {
  list-style: none;
  counter-reset: ppstep;
  margin: clamp(24px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .exp-steps li {
  counter-increment: ppstep;
  position: relative;
  padding: 16px 18px 16px 58px;
  border: 1px solid var(--pp-line-soft);
  border-left: 2px solid rgba(63, 224, 208, 0.42);
  border-radius: var(--r-sm);
  background: rgba(14, 22, 38, 0.7);
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-products .exp-steps li:hover {
  border-left-color: var(--cy);
  background: rgba(20, 32, 52, 0.82);
}

.page-products .exp-steps li::before {
  content: "0" counter(ppstep);
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--cy);
}

.page-products .exp-steps h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 700;
}

.page-products .exp-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fg-2);
}

.page-products .exp-login-tip {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-2);
  border-radius: var(--r-sm);
  border: 1px dashed var(--pp-line-soft);
  background: rgba(20, 32, 52, 0.42);
}

.page-products .exp-login-tip a {
  color: var(--cy-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 245, 234, 0.42);
}

.page-products .exp-login-tip a:hover,
.page-products .exp-login-tip a:focus-visible {
  color: var(--cy);
  border-bottom-color: var(--cy);
}

.page-products .exp-login-visual {
  margin: 0;
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-1);
}

/* ---------- 多终端 ---------- */

.page-products .exp-terminals {
  padding: clamp(36px, 6vw, 76px) 0;
}

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

@media (min-width: 640px) {
  .page-products .exp-term-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-products .exp-term-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-products .exp-term {
  padding: clamp(20px, 2.4vw, 26px);
  background: var(--pp-card-solid);
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-md);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .exp-term:hover {
  border-color: var(--cy);
  transform: translateY(-3px);
}

.page-products .exp-term .meta {
  color: var(--mg);
  font-size: 13px;
  letter-spacing: 0.12em;
  margin: 0 0 10px;
}

.page-products .exp-term h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
}

.page-products .exp-term p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-2);
}

/* ---------- 画质档位 ---------- */

.page-products .exp-quality {
  padding: clamp(36px, 6vw, 76px) 0;
}

.page-products .exp-metrics {
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-md);
  background: rgba(14, 22, 38, 0.72);
  overflow: hidden;
}

.page-products .exp-metrics-row {
  display: grid;
  grid-template-columns: minmax(80px, 1fr) repeat(3, minmax(0, 1.4fr));
  gap: 10px;
  align-items: center;
  padding: 14px clamp(12px, 2vw, 22px);
  border-top: 1px solid rgba(34, 48, 74, 0.55);
}

.page-products .exp-metrics-row:first-child {
  border-top: 0;
}

.page-products .exp-metrics-row--head {
  background: rgba(20, 32, 52, 0.7);
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-products .exp-metrics-label {
  font-size: 13.5px;
  color: var(--fg-2);
  letter-spacing: 0.04em;
}

.page-products .exp-metrics-row--head .exp-metrics-cell {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--fg);
}

.page-products .exp-metrics-cell {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 12.5px;
  color: var(--fg-2);
}

.page-products .exp-metrics-cell b {
  font-weight: 500;
  color: var(--fg-2);
  letter-spacing: 0.04em;
}

.page-products .exp-bar {
  display: block;
  width: var(--w, 50%);
  max-width: 100%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(63, 224, 208, 0.2), currentColor);
}

.page-products .exp-bar--cy { color: var(--cy); }
.page-products .exp-bar--vi { color: var(--vi); }
.page-products .exp-bar--mg { color: var(--mg); }

.page-products .exp-quality-split {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(28px, 4vw, 42px);
}

@media (min-width: 940px) {
  .page-products .exp-quality-split {
    grid-template-columns: 5fr 6fr;
    align-items: center;
  }
}

.page-products .exp-quality-notes h3 {
  margin: 0 0 16px;
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 700;
}

.page-products .exp-quality-notes ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .exp-quality-notes li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--fg-2);
}

.page-products .exp-quality-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--grad-signal);
}

.page-products .exp-quality-notes strong {
  color: var(--fg);
  font-weight: 700;
}

.page-products .exp-quality-visual {
  margin: 0;
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-1);
}

/* ---------- 案例 ---------- */

.page-products .exp-cases {
  padding: clamp(36px, 6vw, 76px) 0;
}

.page-products .exp-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

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

@media (min-width: 640px) {
  .page-products .exp-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .page-products .exp-case-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-products .exp-case {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 26px);
  background: var(--pp-card-bg);
  border: 1px solid var(--pp-line-soft);
  border-radius: var(--r-md);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .exp-case:hover {
  border-color: var(--cy);
  transform: translateY(-3px);
}

.page-products .exp-case-tag {
  align-self: flex-start;
  margin: 0;
  padding: 3px 10px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cy-soft);
  border: 1px solid rgba(63, 224, 208, 0.36);
  border-radius: 999px;
  background: rgba(63, 224, 208, 0.08);
}

.page-products .exp-case h3 {
  margin: 0;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .exp-case > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fg-2);
}

.page-products .exp-case-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(34, 48, 74, 0.6);
}

.page-products .exp-case-meta dt {
  font-size: 12.5px;
  color: var(--fg-2);
  letter-spacing: 0.04em;
}

.page-products .exp-case-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--cy-soft);
  letter-spacing: 0.03em;
}

.page-products .exp-cases-note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-2);
}

/* ---------- 收束入口 ---------- */

.page-products .exp-next {
  padding: clamp(20px, 4vw, 40px) 0 clamp(40px, 6vw, 72px);
}

.page-products .exp-next-grid {
  display: grid;
  gap: var(--pp-gap);
}

@media (min-width: 860px) {
  .page-products .exp-next-grid {
    grid-template-columns: 7fr 5fr;
  }
}

.page-products .exp-next-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--r-lg);
  border: 1px solid var(--pp-line-soft);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .exp-next-card:hover,
.page-products .exp-next-card:focus-visible {
  border-color: var(--cy);
  transform: translateY(-3px);
}

.page-products .exp-next-card--trend {
  background:
    radial-gradient(110% 120% at 6% 0%, rgba(63, 224, 208, 0.18), transparent 58%),
    radial-gradient(120% 120% at 100% 100%, rgba(122, 92, 255, 0.20), transparent 62%),
    var(--ink-1);
}

.page-products .exp-next-card--support {
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(240, 71, 154, 0.16), transparent 60%),
    var(--ink-2);
}

.page-products .exp-next-card h2 {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.32;
}

.page-products .exp-next-card p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--fg-2);
}

.page-products .exp-next-go {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cy-soft);
}

.page-products .exp-next-card:hover .exp-next-go,
.page-products .exp-next-card:focus-visible .exp-next-go {
  color: var(--cy);
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .exp-wave,
  .page-products .exp-node {
    animation: none;
  }
  .page-products .exp-module,
  .page-products .exp-term,
  .page-products .exp-case,
  .page-products .exp-next-card,
  .page-products .exp-steps li {
    transition: none;
  }
}

.page-products {
  --w: 1rem;
}