.page-products {
  --pd-line: 1px solid var(--rule);
  --pd-gap: 18px;
  font-family: var(--font-sans);
  color: var(--ink);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-products .section {
  margin-top: clamp(48px, 8vw, 92px);
}

.page-products .sec-head {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 14px;
  margin-bottom: clamp(22px, 4vw, 34px);
}

/* ---------- 首屏 ---------- */
.pd-hero {
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  border-bottom: var(--pd-line);
  padding: clamp(30px, 6vw, 60px) 0 clamp(26px, 5vw, 46px);
}

.pd-hero__inner {
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr;
}

.pd-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
}

.pd-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(36px, 7.4vw, 74px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.pd-hero__desc {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.78;
  color: var(--ink);
}

.pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.pd-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pd-line);
}

.pd-fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: var(--pd-line);
}

.pd-fact__dot {
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  align-self: center;
  background: var(--muted);
}

.pd-fact__dot--spring { background: var(--spring); }
.pd-fact__dot--summer { background: var(--summer); }
.pd-fact__dot--autumn { background: var(--autumn); }
.pd-fact__dot--winter { background: var(--winter); }

.pd-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 27px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.pd-fact__lb {
  margin-left: auto;
  text-align: right;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

@media (min-width: 900px) {
  .pd-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }
}

/* ---------- 01 终端形态 ---------- */
.pd-forms {
  gap: var(--pd-gap);
}

.pd-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 26px);
  border-top: 3px solid var(--ink);
}

.pd-form__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.pd-form__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.pd-aside {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--autumn);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.pd-shot {
  margin: clamp(26px, 5vw, 44px) 0 0;
}

.pd-shot img,
.pd-access__fig img,
.mod__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: var(--pd-line);
  background: var(--paper-2);
  object-fit: cover;
}

/* ---------- 02 模块分段切换 ---------- */
.mod {
  position: relative;
}

.mod__input,
.ver__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

.mod__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mod__tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--paper);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.35;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.mod__tab:hover {
  background: var(--paper-2);
  color: var(--ink);
}

.mod__tab-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.mod__input:nth-of-type(1):checked ~ .mod__bar .mod__tab:nth-child(1),
.mod__input:nth-of-type(2):checked ~ .mod__bar .mod__tab:nth-child(2),
.mod__input:nth-of-type(3):checked ~ .mod__bar .mod__tab:nth-child(3),
.mod__input:nth-of-type(4):checked ~ .mod__bar .mod__tab:nth-child(4) {
  background: var(--paper-2);
  color: var(--ink);
  border-color: var(--ink);
  font-weight: 700;
  box-shadow: inset 0 3px 0 var(--accent);
}

.mod__input:nth-of-type(1):focus-visible ~ .mod__bar .mod__tab:nth-child(1),
.mod__input:nth-of-type(2):focus-visible ~ .mod__bar .mod__tab:nth-child(2),
.mod__input:nth-of-type(3):focus-visible ~ .mod__bar .mod__tab:nth-child(3),
.mod__input:nth-of-type(4):focus-visible ~ .mod__bar .mod__tab:nth-child(4) {
  outline: 2px solid var(--winter);
  outline-offset: 2px;
}

.mod__panels {
  margin-top: 22px;
}

.mod__panel {
  display: none;
}

.mod__input:nth-of-type(1):checked ~ .mod__panels .mod__panel:nth-child(1),
.mod__input:nth-of-type(2):checked ~ .mod__panels .mod__panel:nth-child(2),
.mod__input:nth-of-type(3):checked ~ .mod__panels .mod__panel:nth-child(3),
.mod__input:nth-of-type(4):checked ~ .mod__panels .mod__panel:nth-child(4) {
  display: block;
  animation: pd-rise 0.4s var(--ease) both;
}

@keyframes pd-rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.mod__grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.mod__spec {
  display: grid;
  gap: 16px;
  align-content: start;
}

.mod__fig {
  margin: 0;
}

.mod__fig figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.mod__body h3 {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.mod__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
}

.pd-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.pd-dl {
  margin: 20px 0 0;
  padding: 0;
  border-top: var(--pd-line);
}

.pd-dl__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: var(--pd-line);
}

.pd-dl__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.pd-dl__v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
}

@media (min-width: 560px) {
  .pd-dl__row {
    grid-template-columns: minmax(120px, 0.55fr) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .mod__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 44px;
  }
}

/* 主客分列 */
.pd-split {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-top: 20px;
}

.pd-split__col {
  padding: 16px 18px;
  border: var(--pd-line);
  background: var(--paper-2);
  border-top-width: 3px;
}

.pd-split__col--home { border-top-color: var(--winter); }
.pd-split__col--away { border-top-color: var(--summer); }

.pd-split__head {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
}

.pd-list {
  margin: 0;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink);
}

.pd-list li + li { margin-top: 4px; }

.pd-list--checked {
  list-style: none;
  padding-left: 0;
}

.pd-list--checked li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.78;
}

.pd-list--checked li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

@media (min-width: 620px) {
  .pd-split { grid-template-columns: 1fr 1fr; }
}

/* 赛事分层 */
.pd-layers {
  display: grid;
  gap: 8px;
}

.pd-layer {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: var(--pd-line);
  border-left-width: 5px;
  background: var(--paper);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.pd-layer:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 14px rgba(30, 26, 22, 0.1);
}

.pd-layer--top { border-left-color: var(--accent); }
.pd-layer--second { border-left-color: var(--autumn); }
.pd-layer--cup { border-left-color: var(--spring); }
.pd-layer--youth { border-left-color: var(--winter); }

.pd-layer__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.pd-layer__t {
  font-size: 15px;
  font-weight: 700;
}

/* ---------- 03 深色数据面板 ---------- */
.pd-board {
  padding: clamp(22px, 4vw, 38px);
  border-left: 5px solid var(--fluoro);
}

.pd-board__grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: #3a4048;
  border: 1px solid #3a4048;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.pd-board__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  background: var(--panel);
}

.pd-board__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: #8a8175;
}

.pd-board__v {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
}

.pd-board__n {
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800;
  line-height: 1;
  color: var(--fluoro);
}

.pd-board__sep {
  font-size: 22px;
  color: #8a8175;
}

.pd-board__u {
  font-size: 12.5px;
  color: #8a8175;
}

.pd-board__bars {
  margin-bottom: clamp(20px, 3vw, 28px);
}

.pd-board__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: #8a8175;
}

.pd-board__foot {
  display: grid;
  gap: 6px 20px;
  grid-template-columns: 1fr;
  border-top: 1px solid #3a4048;
  padding-top: 16px;
}

.pd-board__foot-k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: #8a8175;
}

.pd-board__foot-v {
  font-size: 14px;
  color: var(--paper);
}

@media (min-width: 620px) {
  .pd-board__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .pd-board__foot { grid-template-columns: auto 1fr; align-items: baseline; }
}

/* ---------- 04 版本演进 ---------- */
.ver {
  position: relative;
}

.ver__scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 2px solid var(--ink);
  border-left: var(--pd-line);
}

.ver__tick {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 14px 16px;
  border-right: var(--pd-line);
  border-bottom: var(--pd-line);
  cursor: pointer;
  transition: background 0.25s var(--ease);
}

.ver__tick::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 14px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rule);
}

.ver__tick:hover { background: var(--paper-2); }

.ver__tick-num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.ver__tick-yr {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.ver__input:nth-of-type(1):checked ~ .ver__scale .ver__tick:nth-child(1),
.ver__input:nth-of-type(2):checked ~ .ver__scale .ver__tick:nth-child(2),
.ver__input:nth-of-type(3):checked ~ .ver__scale .ver__tick:nth-child(3),
.ver__input:nth-of-type(4):checked ~ .ver__scale .ver__tick:nth-child(4) {
  background: var(--paper-2);
}

.ver__input:nth-of-type(1):checked ~ .ver__scale .ver__tick:nth-child(1)::before { background: var(--autumn); box-shadow: 0 0 0 4px rgba(249, 168, 37, 0.22); }
.ver__input:nth-of-type(2):checked ~ .ver__scale .ver__tick:nth-child(2)::before { background: var(--winter); box-shadow: 0 0 0 4px rgba(21, 101, 192, 0.2); }
.ver__input:nth-of-type(3):checked ~ .ver__scale .ver__tick:nth-child(3)::before { background: var(--spring); box-shadow: 0 0 0 4px rgba(46, 125, 50, 0.2); }
.ver__input:nth-of-type(4):checked ~ .ver__scale .ver__tick:nth-child(4)::before { background: var(--accent); box-shadow: 0 0 0 4px rgba(217, 69, 43, 0.2); }

.ver__input:nth-of-type(1):focus-visible ~ .ver__scale .ver__tick:nth-child(1),
.ver__input:nth-of-type(2):focus-visible ~ .ver__scale .ver__tick:nth-child(2),
.ver__input:nth-of-type(3):focus-visible ~ .ver__scale .ver__tick:nth-child(3),
.ver__input:nth-of-type(4):focus-visible ~ .ver__scale .ver__tick:nth-child(4) {
  outline: 2px solid var(--winter);
  outline-offset: -2px;
}

.ver__panels {
  margin-top: clamp(20px, 3vw, 30px);
}

.ver__panel { display: none; }

.ver__input:nth-of-type(1):checked ~ .ver__panels .ver__panel:nth-child(1),
.ver__input:nth-of-type(2):checked ~ .ver__panels .ver__panel:nth-child(2),
.ver__input:nth-of-type(3):checked ~ .ver__panels .ver__panel:nth-child(3),
.ver__input:nth-of-type(4):checked ~ .ver__panels .ver__panel:nth-child(4) {
  display: block;
  animation: pd-rise 0.4s var(--ease) both;
}

.ver__card {
  padding: clamp(20px, 3vw, 30px);
}

.ver__badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  background: var(--paper-2);
  border: var(--pd-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.ver__card h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
}

.ver__card p {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
}

@media (min-width: 720px) {
  .ver__scale { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .ver__tick { border-bottom: 0; }
}

/* ---------- 05 获取方式 ---------- */
.pd-access {
  align-items: start;
}

.pd-access__text h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.3vw, 22px);
  font-weight: 700;
}

.pd-access__text h3 + p {
  margin: 0 0 26px;
}

.pd-access__text p {
  font-size: 15px;
  line-height: 1.78;
}

.pd-access__text .pd-list--checked {
  margin-bottom: 26px;
}

.pd-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pd-access__fig {
  margin: 26px 0 0;
}

@media (min-width: 900px) {
  .pd-access__fig {
    margin-top: 6px;
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
<<<END>>>