.page-products {
  --pp-section: clamp(56px, 8vw, 120px);
  --pp-cut: 18px;
  --pp-rule: 1px solid var(--hairline);
  --pp-rule-teal: 1px solid var(--hairline-teal);
  --pp-pad: clamp(20px, 3.6vw, 44px);
  display: block;
  background: var(--haiou-white);
  color: var(--ink);
}

.page-products .section {
  padding-block: var(--pp-section);
}

.page-products [id^="pp-0"] {
  scroll-margin-top: calc(var(--bar-h) + 16px);
}

/* ---------- 封面 ---------- */
.page-products .pp-cover {
  position: relative;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(48px, 7vw, 100px);
  background:
    linear-gradient(160deg, var(--haiou-white) 0%, var(--haiou-white) 52%, var(--pale-teal) 100%);
  overflow: hidden;
}

.page-products .pp-cover::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% -10%;
  height: 46%;
  background: linear-gradient(102deg, transparent 46%, rgba(31, 182, 193, .13) 46.2%, rgba(31, 182, 193, 0) 62%);
  pointer-events: none;
}

.page-products .pp-cover .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-products .pp-cover__grid {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-products .pp-cover__text {
  max-width: 640px;
}

.page-products .pp-cover__text h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 5.6vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  font-weight: 900;
  color: var(--deep-sea);
}

.page-products .pp-cover__text .lede {
  margin: 22px 0 0;
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  line-height: 1.85;
  color: var(--voyage-blue);
  max-width: 34em;
}

.page-products .pp-cover__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.page-products .pp-cover__figure {
  margin: 0;
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
  background: linear-gradient(150deg, var(--deep-sea) 0%, var(--voyage-blue) 60%, var(--wave-teal) 130%);
  border: var(--pp-rule-teal);
  min-height: 220px;
}

.page-products .pp-cover__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节公共骨架 ---------- */
.page-products .pp-chapter__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(30px, 4.5vw, 60px);
}

.page-products .pp-chapter__no {
  display: inline-block;
  width: fit-content;
  font-size: clamp(3rem, 8.4vw, 6.4rem);
  line-height: .82;
  font-weight: 500;
  letter-spacing: -.03em;
  color: var(--wave-teal);
  text-decoration: none;
  border-bottom: 4px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease), transform .24s var(--ease);
}

.page-products .pp-chapter__no:hover,
.page-products .pp-chapter__no:focus-visible {
  color: var(--wing-orange);
  border-bottom-color: var(--wing-orange);
  transform: translateX(6px);
}

.page-products .pp-chapter__title {
  margin: 0;
  font-size: clamp(1.5rem, 3.1vw, 2.4rem);
  line-height: 1.24;
  font-weight: 800;
  color: var(--deep-sea);
  max-width: 22em;
  padding-left: 14px;
  border-left: 4px solid var(--wave-teal);
}

.page-products .pp-chapter__lede {
  margin: 0;
  font-size: clamp(.98rem, 1.2vw, 1.08rem);
  line-height: 1.9;
  color: var(--voyage-blue);
  max-width: 42em;
}

.page-products .pp-sub {
  margin: 0 0 10px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--deep-sea);
  padding-left: 12px;
  border-left: 3px solid var(--wave-teal);
  line-height: 1.35;
}

.page-products .pp-sub + p {
  margin-top: 0;
}

.page-products .pp-chapter p {
  line-height: 1.9;
  color: var(--ink);
  max-width: 40em;
}

.page-products .pp-chapter h3 + p,
.page-products .pp-chapter p + h3 {
  margin-top: 22px;
}

.page-products .pp-chapter p + p {
  margin-top: 12px;
}

/* ---------- 四条服务线 ---------- */
.page-products .pp-lines {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
}

.page-products .pp-line {
  position: relative;
  padding: clamp(22px, 3vw, 34px) var(--pp-pad);
  background: var(--mist-white);
  border-top: 2px solid var(--deep-sea);
  transition: background .24s var(--ease), transform .24s var(--ease), border-color .24s var(--ease);
}

.page-products .pp-line::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 28%;
  height: 2px;
  background: var(--wing-orange);
  transition: width .28s var(--ease);
}

.page-products .pp-line:hover {
  background: var(--pale-teal);
  transform: translateX(6px);
}

.page-products .pp-line:hover::before {
  width: 62%;
}

.page-products .pp-line__name {
  margin: 0;
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--deep-sea);
  letter-spacing: .01em;
}

.page-products .pp-line__body {
  margin: 12px 0 0;
  font-size: .97rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-products .pp-line__who {
  margin: 16px 0 0;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--tide-gray);
}

/* ---------- 双栏内容块 ---------- */
.page-products .pp-two-col {
  display: grid;
  gap: clamp(28px, 4.2vw, 56px);
  align-items: start;
}

.page-products .pp-two-col__main > p {
  max-width: 42em;
}

.page-products .pp-two-col__figure {
  margin: 0;
  position: relative;
  background: linear-gradient(145deg, var(--pale-teal), var(--mist-white));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
  border: var(--pp-rule-teal);
  overflow: hidden;
}

.page-products .pp-two-col__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-figcap {
  padding: 10px 14px 12px;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--voyage-blue);
  background: var(--mist-white);
  border-top: 3px solid var(--wave-teal);
}

/* ---------- 刻度清单 ---------- */
.page-products .pp-ticks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-ticks li {
  position: relative;
  padding-left: 22px;
  line-height: 1.85;
  color: var(--ink);
  font-size: .96rem;
}

.page-products .pp-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--wing-orange);
}

.page-products .pp-ticks .mono {
  color: var(--voyage-blue);
  font-weight: 500;
}

/* ---------- 深色章节 ---------- */
.page-products .pp-chapter--deep {
  background:
    linear-gradient(168deg, var(--deep-sea) 0%, var(--deep-sea) 58%, var(--voyage-blue) 100%);
  color: var(--mist-white);
}

.page-products .pp-chapter--deep .pp-chapter__no {
  color: var(--wing-orange);
}

.page-products .pp-chapter--deep .pp-chapter__title {
  color: var(--mist-white);
  border-left-color: var(--wing-orange);
}

.page-products .pp-chapter--deep .pp-chapter__lede {
  color: rgba(216, 241, 244, .82);
}

.page-products .pp-chapter--deep .pp-sub {
  color: var(--mist-white);
  border-left-color: var(--wave-teal);
}

.page-products .pp-chapter--deep p {
  color: rgba(247, 250, 252, .86);
}

.page-products .pp-chapter--deep .pp-ticks li {
  color: rgba(247, 250, 252, .86);
}

.page-products .pp-chapter--deep .pp-ticks .mono {
  color: var(--wave-teal);
}

.page-products .pp-two-col--deep {
  margin-top: clamp(32px, 4.5vw, 60px);
}

/* ---------- 两栏对照表 ---------- */
.page-products .pp-wide-figure {
  margin: 0 0 clamp(30px, 4.4vw, 52px);
  background: linear-gradient(120deg, var(--voyage-blue), var(--deep-sea));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
  overflow: hidden;
}

.page-products .pp-wide-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .92;
}

.page-products .pp-compare {
  margin: 0 auto clamp(32px, 4.6vw, 56px);
  background: var(--deep-sea);
  padding: 1px;
  border: var(--pp-rule-teal);
}

.page-products .pp-compare__head {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: transparent;
}

.page-products .pp-compare__head span {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--wave-teal);
  background: rgba(255, 122, 47, .07);
}

.page-products .pp-compare__body {
  display: grid;
  gap: 1px;
  margin-top: 1px;
}

.page-products .pp-compare__row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  transition: background .24s var(--ease);
}

.page-products .pp-compare__cell {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: rgba(247, 250, 252, .96);
  color: var(--ink);
  font-size: .93rem;
  line-height: 1.6;
  min-height: 56px;
  transition: background .24s var(--ease), color .24s var(--ease);
}

.page-products .pp-compare__cell.mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  font-weight: 500;
  color: var(--voyage-blue);
}

.page-products .pp-compare__row:hover .pp-compare__cell {
  background: var(--pale-teal);
}

.page-products .pp-compare__row:hover .pp-compare__cell.mono {
  color: var(--orange-ink);
}

.page-products .pp-compare__row--peak .pp-compare__cell:first-child::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal-red);
  margin-left: auto;
  flex: 0 0 auto;
}

.page-products .pp-ver .fold__body {
  padding: 14px 18px 18px;
  border-left: 3px solid var(--wave-teal);
}

/* ---------- 看板分组 ---------- */
.page-products .pp-boards {
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border-top: 2px solid var(--deep-sea);
  border-bottom: 2px solid var(--deep-sea);
  margin-bottom: clamp(34px, 4.6vw, 60px);
}

.page-products .pp-board {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--mist-white);
  transition: background .24s var(--ease);
}

.page-products .pp-board:hover {
  background: var(--pale-teal);
}

.page-products .pp-board__name {
  margin: 0;
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--deep-sea);
}

.page-products .pp-board__count {
  margin: 8px 0 10px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--wing-orange);
}

.page-products .pp-board p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 流程步骤 ---------- */
.page-products .pp-steps {
  list-style: none;
  margin: 0 0 clamp(40px, 5.4vw, 72px);
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
  counter-reset: pp-step;
}

.page-products .pp-step {
  position: relative;
  padding: clamp(20px, 2.8vw, 30px) var(--pp-pad);
  background: var(--mist-white);
  border: var(--pp-rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pp-cut)), calc(100% - var(--pp-cut)) 100%, 0 100%);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-products .pp-step:hover {
  border-color: var(--wing-orange);
  transform: translateY(-3px);
}

.page-products .pp-step__no {
  display: inline-block;
  font-size: .84rem;
  letter-spacing: .14em;
  color: var(--wing-orange);
}

.page-products .pp-step__name {
  margin: 8px 0 10px;
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--deep-sea);
}

.page-products .pp-step__body {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .pp-step__out {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--tide-gray);
}

/* ---------- 版本时间线 ---------- */
.page-products .pp-versions {
  border-top: 2px solid var(--deep-sea);
  padding-top: clamp(22px, 3vw, 34px);
}

.page-products .pp-versions__title {
  margin: 0 0 18px;
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--deep-sea);
}

.page-products .pp-ver {
  border-bottom: var(--pp-rule);
}

.page-products .pp-ver summary {
  padding: 16px 4px 16px 26px;
  font-family: var(--font-mono);
  font-size: .92rem;
  letter-spacing: .03em;
  color: var(--voyage-blue);
  cursor: pointer;
  position: relative;
  list-style: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-products .pp-ver summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-ver summary::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -5px;
  border-right: 2px solid var(--wave-teal);
  border-bottom: 2px solid var(--wave-teal);
  transform: rotate(-45deg);
  transition: transform .24s var(--ease), border-color .2s var(--ease);
}

.page-products .pp-ver[open] summary::before {
  transform: rotate(45deg);
  border-color: var(--wing-orange);
}

.page-products .pp-ver summary:hover {
  color: var(--wing-orange);
  padding-left: 30px;
}

.page-products .pp-ver .fold__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-products .pp-versions__note {
  margin: 20px 0 0;
  font-size: .9rem;
  color: var(--tide-gray);
  line-height: 1.8;
}

.page-products .pp-versions__note a {
  color: var(--voyage-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline-teal);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pp-versions__note a:hover {
  color: var(--wing-orange);
  border-bottom-color: var(--wing-orange);
}

/* ---------- 收束带 ---------- */
.page-products .pp-closing {
  padding-block: clamp(40px, 6vw, 84px);
  background:
    linear-gradient(100deg, var(--deep-sea) 0%, var(--deep-sea) 40%, var(--voyage-blue) 100%);
  color: var(--mist-white);
  position: relative;
  overflow: hidden;
}

.page-products .pp-closing::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--wave-teal), var(--wing-orange) 70%, var(--signal-red));
}

.page-products .pp-closing__inner {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: center;
}

.page-products .pp-closing__title {
  margin: 0 0 14px;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.28;
  font-weight: 800;
  color: var(--mist-white);
}

.page-products .pp-closing__body {
  margin: 0;
  font-size: .98rem;
  line-height: 1.9;
  color: rgba(216, 241, 244, .84);
  max-width: 40em;
}

.page-products .pp-closing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .pp-closing .btn--solid {
  background: var(--wing-orange);
  border-color: var(--wing-orange);
  color: var(--ink);
}

.page-products .pp-closing .btn--ghost {
  border-color: rgba(216, 241, 244, .5);
  color: var(--mist-white);
}

/* ---------- 浅色章节 ---------- */
.page-products .pp-chapter--tint {
  background: linear-gradient(180deg, var(--pale-teal) 0%, var(--haiou-white) 88%);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pp-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-boards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .pp-cover__grid {
    grid-template-columns: 1.05fr 1fr;
  }

  .page-products .pp-two-col {
    grid-template-columns: 1.15fr .85fr;
  }

  .page-products .pp-two-col--flip {
    grid-template-columns: .85fr 1.15fr;
  }

  .page-products .pp-two-col--flip .pp-two-col__main {
    order: 2;
  }

  .page-products .pp-two-col--flip .pp-two-col__figure {
    order: 1;
  }

  .page-products .pp-two-col--deep {
    grid-template-columns: 1.3fr .7fr;
  }

  .page-products .pp-boards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-closing__inner {
    grid-template-columns: 1fr auto;
  }
}

@media (max-width: 760px) {
  .page-products .pp-compare__head {
    display: none;
  }

  .page-products .pp-compare__row {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .pp-compare__cell {
    min-height: 0;
    padding: 12px 14px;
    flex-wrap: wrap;
  }

  .page-products .pp-compare__cell[data-label]::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: .68rem;
    letter-spacing: .1em;
    color: var(--tide-gray);
    flex: 0 0 100%;
    margin-bottom: 2px;
  }

  .page-products .pp-compare__row--peak .pp-compare__cell:first-child::after {
    position: absolute;
    right: 14px;
  }

  .page-products .pp-compare__row--peak {
    position: relative;
  }

  .page-products .pp-chapter__title {
    padding-left: 11px;
  }
}

@media (max-width: 420px) {
  .page-products .pp-cover__cta {
    gap: 10px;
  }

  .page-products .pp-cover__cta .btn {
    width: 100%;
  }

  .page-products .pp-closing__links .btn {
    width: 100%;
  }
}
<<<END>>>