.page-products {
  --rail-w: 292px;
  --index-w: 190px;
  --products-lake-wash: rgba(111, 154, 155, 0.12);
  --products-gold-wash: rgba(201, 162, 75, 0.1);
  background: var(--paper);
  color: var(--ink);
}

/* ============ 首屏 ============ */
.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(201, 162, 75, 0.18), transparent 58%),
    linear-gradient(168deg, var(--rock-900) 0%, #181d1f 62%, #202729 100%);
  color: var(--paper);
  padding-block: clamp(40px, 7vw, 92px) clamp(36px, 5vw, 64px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-products .tools-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.6;
}

.page-products .tools-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .tools-hero .eyebrow {
  color: var(--gold-soft);
}

.page-products .tools-hero .heading-xl {
  color: var(--paper-white);
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 78px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-products .tools-hero .lede {
  margin-top: clamp(18px, 2.6vw, 28px);
  max-width: 46ch;
  color: rgba(243, 235, 221, 0.82);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
}

.page-products .tools-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: clamp(20px, 3vw, 30px);
  border-top: var(--hair-light);
}

.page-products .stat {
  padding: 4px 12px 4px 0;
}

.page-products .stat__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(169, 195, 192, 0.9);
}

.page-products .stat__num {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1;
  color: var(--gold-soft);
  font-variant-numeric: tabular-nums;
}

.page-products .stat__num span {
  font-size: 12px;
  margin-left: 4px;
  color: rgba(243, 235, 221, 0.62);
}

/* ============ 工具台三栏 ============ */
.page-products .tooldesk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(36px, 5.5vw, 72px) clamp(56px, 8vw, 110px);
}

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

/* 左侧索引 */
.page-products .indexnav {
  border-top: var(--hair-strong);
  padding-top: 14px;
}

.page-products .indexnav__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--rock-700);
}

.page-products .indexnav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.page-products .indexnav__list .spy-link {
  display: block;
  padding: 5px 10px;
  border: var(--hair);
  border-radius: 2px;
  font-size: 13px;
  color: var(--rock-700);
  text-decoration: none;
  background: rgba(251, 247, 239, 0.6);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.page-products .indexnav__list .spy-link:hover,
.page-products .indexnav__list .spy-link.is-active {
  color: var(--ink);
  border-color: rgba(201, 162, 75, 0.65);
  background: var(--products-gold-wash);
}

/* 右侧摘要栏 */
.page-products .railcard {
  border: var(--hair-strong);
  background: var(--paper-white);
  padding: 18px 18px 22px;
  box-shadow: var(--plate-shadow);
  border-radius: 2px;
}

.page-products .railcard__title {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lake);
}

.page-products .railcard__title--gap {
  margin-top: 20px;
  padding-top: 16px;
  border-top: var(--hair);
}

.page-products .railcard .kv__row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(58, 68, 70, 0.14);
  font-size: 13px;
}

.page-products .railcard .kv__key {
  color: var(--rock-700);
}

.page-products .railcard .kv__val {
  color: var(--ink);
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .railcard__version {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .railcard__note {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--rock-700);
}

.page-products .railcard__cta {
  display: inline-block;
  margin-top: 16px;
}

.page-products .railcard__contact {
  margin: 6px 0 0;
  font-size: 13.5px;
  word-break: break-all;
}

.page-products .railcard__contact a {
  color: var(--ink);
  text-decoration-color: rgba(201, 162, 75, 0.7);
  text-underline-offset: 3px;
}

/* ============ 面板章节 ============ */
.page-products .panel {
  border-top: var(--hair-strong);
  padding-top: clamp(20px, 3vw, 30px);
}

.page-products .panel + .panel {
  margin-top: clamp(48px, 7vw, 96px);
}

.page-products .panel__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-products .panel__num {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-products .panel__head .heading-md {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.32;
  color: var(--ink);
}

.page-products .panel__text {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: clamp(15px, 1.7vw, 16.5px);
  line-height: 1.85;
  color: var(--rock-700);
}

.page-products .panel__aside {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rock-700);
}

.page-products .panel__aside .arrow-link {
  color: var(--ink);
  font-weight: 600;
}

/* ============ 01 总览 ============ */
.page-products .overview-grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
  margin-bottom: clamp(22px, 3vw, 32px);
}

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

.page-products .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
  border: var(--hair-gold);
  background: var(--rock-700);
}

.page-products .media-frame__caption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--rock-700);
}

.page-products .tool-grid {
  display: grid;
  gap: 12px;
}

.page-products .tool-card {
  display: block;
  padding: 18px 18px 20px;
  border: var(--hair);
  border-radius: 2px;
  background: var(--paper-white);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.page-products .tool-card:hover {
  border-color: rgba(201, 162, 75, 0.7);
  background: #fffdf8;
  transform: translateY(-2px);
}

.page-products .tool-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.page-products .tool-card__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink);
}

.page-products .tool-card__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock-700);
}

.page-products .tool-card .arrow-link {
  font-size: 13px;
  color: var(--cinnabar);
}

/* ============ 02 费用镜像表 ============ */
.page-products .fee-mirror {
  margin-top: 22px;
  border: var(--hair-strong);
  border-radius: 2px;
  background: var(--paper-white);
  overflow: hidden;
}

.page-products .fee-mirror__heads {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.page-products .fee-mirror__head {
  padding: 16px 14px 14px;
  border-bottom: var(--hair-strong);
}

.page-products .fee-mirror__head--gold {
  background: var(--products-gold-wash);
  border-right: 1px solid rgba(201, 162, 75, 0.32);
}

.page-products .fee-mirror__head--lake {
  background: var(--products-lake-wash);
}

.page-products .fee-mirror__tag {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--rock-700);
}

.page-products .fee-mirror__price {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-products .fee-mirror__head--gold .fee-mirror__price {
  color: var(--gold);
}

.page-products .fee-mirror__head--lake .fee-mirror__price {
  color: var(--lake);
}

.page-products .fee-mirror__price small {
  font-size: 12px;
  color: var(--rock-700);
  font-family: var(--font-body);
}

.page-products .fee-mirror__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--hair);
}

.page-products .fee-mirror__row:last-child {
  border-bottom: 0;
}

.page-products .fee-mirror__label {
  grid-column: 1 / -1;
  margin: 0;
  padding: 14px 14px 4px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-products .fee-mirror__cell {
  padding: 4px 14px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock-700);
}

.page-products .fee-mirror__cell--gold {
  background: rgba(201, 162, 75, 0.05);
  border-right: 1px solid rgba(201, 162, 75, 0.22);
}

.page-products .fee-mirror__cell--lake {
  background: rgba(111, 154, 155, 0.07);
}

.page-products .dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 5px;
  border-radius: 50%;
  background: currentColor;
  vertical-align: middle;
}

.page-products .dot--gold {
  background: var(--gold);
}

.page-products .dot--lake {
  background: var(--lake);
}

.page-products .dot--cinnabar {
  background: var(--cinnabar);
}

.page-products #switch-fee .media-frame--square {
  max-width: 380px;
  margin-top: 24px;
}

/* ============ 03 设置项与更新窗口 ============ */
.page-products .diagram-grid {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

.page-products .diagram {
  border: var(--hair);
  border-left: 2px solid var(--lake);
  background: var(--paper-white);
  padding: 16px 16px 18px;
  border-radius: 2px;
}

.page-products .diagram__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-products .diagram__svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-products .diagram__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock-700);
}

.page-products .vd-box rect {
  fill: var(--products-lake-wash);
  stroke: rgba(111, 154, 155, 0.55);
  stroke-width: 1;
}

.page-products .vd-label {
  font-family: var(--font-body);
  font-size: 12px;
  fill: var(--rock-700);
}

.page-products .vd-value {
  font-family: var(--font-mono);
  font-size: 18px;
  fill: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .vd-dot {
  fill: var(--gold);
}

.page-products .wd-axis {
  stroke: rgba(58, 68, 70, 0.28);
  stroke-width: 1;
}

.page-products .wd-window {
  fill: rgba(201, 162, 75, 0.18);
  stroke: rgba(201, 162, 75, 0.65);
  stroke-width: 1;
}

.page-products .wd-window--alt {
  fill: rgba(111, 154, 155, 0.18);
  stroke: rgba(111, 154, 155, 0.7);
}

.page-products .wd-label {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--ink);
}

.page-products .wd-mark {
  fill: var(--cinnabar);
}

.page-products #settings .accordion {
  margin-top: 14px;
}

/* ============ 04 额度筛选 ============ */
.page-products .quota-filter {
  margin-top: 20px;
}

.page-products .quota-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .quota-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-products .quota-chip {
  display: inline-block;
  padding: 6px 14px;
  border: var(--hair-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--rock-700);
  background: var(--paper-white);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.page-products .quota-chip:hover {
  border-color: var(--lake);
  color: var(--ink);
}

.page-products #qf-all:checked ~ .quota-chips .quota-chip[for="qf-all"],
.page-products #qf-activity:checked ~ .quota-chips .quota-chip[for="qf-activity"],
.page-products #qf-member:checked ~ .quota-chips .quota-chip[for="qf-member"],
.page-products #qf-trial:checked ~ .quota-chips .quota-chip[for="qf-trial"] {
  color: var(--paper-white);
  background: var(--rock-700);
  border-color: var(--rock-700);
}

.page-products #qf-all:focus-visible ~ .quota-chips .quota-chip[for="qf-all"],
.page-products #qf-activity:focus-visible ~ .quota-chips .quota-chip[for="qf-activity"],
.page-products #qf-member:focus-visible ~ .quota-chips .quota-chip[for="qf-member"],
.page-products #qf-trial:focus-visible ~ .quota-chips .quota-chip[for="qf-trial"] {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-products .quota-cards {
  display: grid;
  gap: 12px;
}

.page-products #qf-activity:checked ~ .quota-cards .quota-card:not(.quota-card--activity),
.page-products #qf-member:checked ~ .quota-cards .quota-card:not(.quota-card--member),
.page-products #qf-trial:checked ~ .quota-cards .quota-card:not(.quota-card--trial) {
  display: none;
}

.page-products .quota-card {
  border: var(--hair);
  border-top: 2px solid var(--lake-soft);
  background: var(--paper-white);
  padding: 16px 16px 18px;
  border-radius: 2px;
}

.page-products .quota-card--activity {
  border-top-color: var(--gold);
}

.page-products .quota-card--member {
  border-top-color: var(--cinnabar);
}

.page-products .quota-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
}

.page-products .quota-card__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--rock-700);
}

.page-products .bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 52px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(58, 68, 70, 0.18);
}

.page-products .bar {
  flex: 1;
  min-width: 4px;
  background: linear-gradient(180deg, rgba(201, 162, 75, 0.85), rgba(111, 154, 155, 0.55));
  border-radius: 1px 1px 0 0;
}

.page-products .bar:nth-child(1) { height: 42%; }
.page-products .bar:nth-child(2) { height: 66%; }
.page-products .bar:nth-child(3) { height: 50%; }
.page-products .bar:nth-child(4) { height: 82%; }
.page-products .bar:nth-child(5) { height: 60%; }
.page-products .bar:nth-child(6) { height: 74%; }

.page-products .quota-card__meta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lake);
}

/* ============ 05 条目费用索引 ============ */
.page-products .fee-index {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: var(--hair-strong);
}

.page-products .fee-index__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
  padding: 16px 0;
  border-bottom: var(--hair);
}

.page-products .fee-index__name {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink);
}

.page-products .fee-index__price {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--gold);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.page-products .fee-index__note {
  grid-column: 1 / -1;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock-700);
}

/* ============ 06 流程与状态 ============ */
.page-products .flow {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-products .flow__step {
  position: relative;
  border: var(--hair);
  border-left: 2px solid rgba(201, 162, 75, 0.55);
  background: var(--paper-white);
  padding: 14px 16px 16px;
  border-radius: 2px;
}

.page-products .flow__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-products .flow__title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink);
}

.page-products .flow__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock-700);
}

.page-products .status-legend {
  margin-top: 22px;
  padding: 16px 16px 18px;
  background: var(--products-lake-wash);
  border: var(--hair);
  border-radius: 2px;
}

.page-products .status-legend__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rock-700);
}

.page-products .status-legend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rock-700);
}

.page-products .status-legend__list .tag {
  margin-right: 6px;
}

/* ============ 07 会员 ============ */
.page-products .member-grid {
  display: grid;
  gap: 20px;
  margin-top: 6px;
}

.page-products .member-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--hair-strong);
}

.page-products .member-list__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: var(--hair);
}

.page-products .member-list__key {
  font-size: 13.5px;
  color: var(--rock-700);
}

.page-products .member-list__val {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--lake);
  font-variant-numeric: tabular-nums;
}

/* ============ 响应式 ============ */
@media (min-width: 620px) {
  .page-products .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-products .tools-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .stat {
    padding-left: 16px;
    border-left: var(--hair-light);
  }

  .page-products .stat:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-products .overview-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

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

  .page-products .quota-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .member-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 28px;
  }

  .page-products .fee-index__row {
    grid-template-columns: 150px 100px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-products .fee-index__note {
    grid-column: auto;
  }
}

@media (min-width: 900px) {
  .page-products .tooldesk {
    grid-template-columns: var(--index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .tooldesk__index {
    position: sticky;
    top: 108px;
  }

  .page-products .indexnav__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-products .indexnav__list .spy-link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 6px 0 6px 10px;
    background: transparent;
    font-size: 13.5px;
  }

  .page-products .indexnav__list .spy-link:hover,
  .page-products .indexnav__list .spy-link.is-active {
    border-left-color: var(--gold);
    background: transparent;
    color: var(--ink);
  }

  .page-products .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
  }
}

@media (min-width: 1180px) {
  .page-products .tooldesk {
    grid-template-columns: var(--index-w) minmax(0, 1fr) var(--rail-w);
    gap: clamp(28px, 3vw, 46px);
  }

  .page-products .tooldesk__rail {
    position: sticky;
    top: 108px;
  }

  .page-products .panel__text {
    max-width: 46ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .quota-chip,
  .page-products .indexnav__list .spy-link {
    transition: none;
  }

  .page-products .tool-card:hover {
    transform: none;
  }
}