/*
 * Changhe Machinery V2 inner-page system.
 */

body.changhe-site-v2 {
  overflow-x: hidden;
  background: var(--v2-paper);
  color: var(--v2-ink);
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

.changhe-site-v2 .v2-page {
  overflow: hidden;
  background: var(--v2-paper);
}

.v2-inner-hero {
  position: relative;
  display: flex;
  min-height: clamp(660px, 72vw, 900px);
  align-items: flex-end;
  isolation: isolate;
  overflow: hidden;
  background: var(--v2-black);
  color: var(--v2-white);
}

.v2-inner-hero__image,
.v2-inner-hero__veil {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
}

.v2-inner-hero__image {
  object-fit: cover;
  object-position: center;
  animation: v2-hero-reveal 1.1s cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.v2-inner-hero__veil {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(10, 9, 10, 0.9) 0%, rgba(10, 9, 10, 0.58) 43%, rgba(10, 9, 10, 0.08) 78%),
    linear-gradient(0deg, rgba(10, 9, 10, 0.88) 0%, transparent 55%),
    linear-gradient(180deg, rgba(10, 9, 10, 0.48) 0%, transparent 30%);
}

.v2-inner-hero__inner {
  padding-top: 190px;
  padding-bottom: clamp(70px, 8vw, 120px);
}

.v2-inner-hero__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 25px;
}

.v2-inner-hero__top .v2-kicker {
  margin: 0;
}

.v2-inner-hero h1 {
  max-width: 1120px;
  margin: 0;
  color: var(--v2-white);
  font-size: clamp(3.2rem, 6.8vw, 7.6rem);
  line-height: 0.99;
  letter-spacing: -0.06em;
}

.v2-inner-hero__lead {
  max-width: 760px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1rem, 1.35vw, 1.22rem);
  line-height: 1.85;
}

.v2-concept-label,
.v2-editor-status {
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: rgba(17, 16, 17, 0.42);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.67rem;
  line-height: 1;
  letter-spacing: 0.08em;
  backdrop-filter: blur(7px);
}

.v2-editor-status {
  border-color: rgba(246, 134, 36, 0.68);
  color: var(--v2-orange);
}

.v2-inner-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 42px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.72rem;
}

.v2-inner-hero .breadcrumbs a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.v2-content-section {
  padding: clamp(90px, 9vw, 150px) 0;
  background: var(--v2-white);
}

.v2-content-section--intro {
  background: var(--v2-paper);
}

.v2-content-section--dark {
  background: var(--v2-black);
  color: var(--v2-white);
}

.v2-intro-grid {
  display: grid;
  grid-template-columns: minmax(150px, 0.6fr) minmax(0, 2fr);
  gap: clamp(40px, 7vw, 120px);
}

.v2-intro-grid .v2-section-no {
  margin: 6px 0 0;
}

.v2-prose {
  min-width: 0;
  color: #3f3d3e;
  font-size: 1rem;
  line-height: 1.9;
}

.v2-prose--lead > p:first-child {
  max-width: 970px;
  color: var(--v2-ink);
  font-size: clamp(1.45rem, 2.6vw, 2.8rem);
  font-weight: 650;
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.v2-prose h2 {
  margin: 4.3rem 0 1.5rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--v2-line);
  color: var(--v2-ink);
  font-size: clamp(1.85rem, 3vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: -0.04em;
}

.v2-prose h2:first-child {
  margin-top: 0;
}

.v2-prose h3 {
  margin: 2.5rem 0 1rem;
  color: var(--v2-ink);
  font-size: clamp(1.18rem, 1.5vw, 1.45rem);
}

.v2-prose p,
.v2-prose ul,
.v2-prose ol {
  margin: 0 0 1.4rem;
}

.v2-prose ul,
.v2-prose ol {
  padding-left: 1.35rem;
}

.v2-prose li {
  margin: 0.55rem 0;
}

.v2-prose a {
  color: var(--v2-orange-deep);
  text-decoration-color: rgba(233, 111, 13, 0.4);
}

.v2-prose blockquote {
  padding: 28px 32px;
  margin: 2.4rem 0;
  border: 0;
  border-left: 5px solid var(--v2-orange);
  background: var(--v2-paper);
  color: var(--v2-ink);
  font-size: 1.12rem;
}

.v2-prose table {
  width: 100%;
  margin: 2.2rem 0;
  border-collapse: collapse;
  border-top: 3px solid var(--v2-ink);
  font-size: 0.9rem;
}

.v2-prose th,
.v2-prose td {
  padding: 15px 14px;
  border-bottom: 1px solid var(--v2-line);
  text-align: left;
  vertical-align: top;
}

.v2-prose th {
  background: var(--v2-paper);
  color: var(--v2-ink);
  font-weight: 700;
}

.v2-prose img {
  width: 100%;
  margin: 2.6rem 0;
}

.v2-catalog-group {
  padding: clamp(75px, 8vw, 130px) 0;
  background: var(--v2-white);
}

.v2-catalog-group:nth-of-type(even) {
  background: var(--v2-paper);
}

.v2-group-head {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 30px;
  align-items: end;
  margin-bottom: clamp(46px, 6vw, 80px);
}

.v2-group-head > span {
  align-self: start;
  color: var(--v2-orange-deep);
  font-family: Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.v2-group-head small {
  display: block;
  margin-bottom: 12px;
  color: var(--v2-gray);
  font-family: Arial, sans-serif;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.v2-group-head h2 {
  margin: 0;
  color: var(--v2-ink);
  font-size: clamp(2.5rem, 4.8vw, 5.6rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.v2-group-head > em {
  padding-bottom: 10px;
  color: var(--v2-gray);
  font-size: 0.8rem;
  font-style: normal;
}

.v2-group-head--light h2 {
  color: var(--v2-white);
}

.v2-group-head--light small {
  color: rgba(255, 255, 255, 0.48);
}

.v2-card-grid {
  display: grid;
  border-top: 1px solid var(--v2-line);
  border-left: 1px solid var(--v2-line);
}

.v2-card-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.v2-card-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.v2-list-card {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid var(--v2-line);
  border-bottom: 1px solid var(--v2-line);
  background: var(--v2-white);
  transition: background 180ms ease;
}

.v2-list-card:hover {
  background: var(--v2-paper);
}

.v2-list-card__media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #d5d3cf;
}

.v2-list-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.v2-list-card:hover .v2-list-card__media img {
  transform: scale(1.04);
}

.v2-list-card__media .v2-concept-label {
  position: absolute;
  top: 14px;
  left: 14px;
}

.v2-list-card__body {
  padding: 25px 5px 18px;
}

.v2-list-card__meta {
  display: block;
  margin-bottom: 16px;
  color: var(--v2-orange-deep);
  font-family: Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.v2-list-card h2 {
  margin: 0;
  font-size: clamp(1.25rem, 1.7vw, 1.72rem);
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.v2-list-card h2 a {
  color: var(--v2-ink);
  text-decoration: none;
}

.v2-list-card p {
  min-height: 5.2em;
  margin: 16px 0 22px;
  color: var(--v2-gray);
  font-size: 0.84rem;
  line-height: 1.72;
}

.v2-list-card__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--v2-line);
  color: var(--v2-ink);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.v2-list-card__link span {
  color: var(--v2-orange-deep);
}

.v2-content-section--dark .v2-card-grid {
  border-color: rgba(255, 255, 255, 0.16);
}

.v2-content-section--dark .v2-list-card {
  border-color: rgba(255, 255, 255, 0.16);
  background: #1a191a;
}

.v2-content-section--dark .v2-list-card:hover {
  background: #242224;
}

.v2-content-section--dark .v2-list-card h2 a,
.v2-content-section--dark .v2-list-card__link {
  color: var(--v2-white);
}

.v2-content-section--dark .v2-list-card p {
  color: rgba(255, 255, 255, 0.52);
}

.v2-content-section--dark .v2-list-card__link {
  border-color: rgba(255, 255, 255, 0.16);
}

.v2-contact-strip {
  padding: 0 0 clamp(90px, 9vw, 150px);
  background: var(--v2-white);
}

.v2-contact-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--v2-line);
  border-left: 1px solid var(--v2-line);
}

.v2-contact-strip__grid > div {
  min-height: 250px;
  padding: 32px;
  border-right: 1px solid var(--v2-line);
  border-bottom: 1px solid var(--v2-line);
}

.v2-contact-strip small {
  display: block;
  color: var(--v2-orange-deep);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.v2-contact-strip strong {
  display: block;
  margin-top: 64px;
  color: var(--v2-ink);
  font-size: clamp(1.25rem, 1.8vw, 1.8rem);
}

.v2-contact-strip p {
  margin: 16px 0 0;
  color: var(--v2-gray);
  font-size: 0.82rem;
}

.v2-detail-summary {
  padding: clamp(70px, 7vw, 110px) 0;
  background: var(--v2-orange);
  color: var(--v2-ink);
}

.v2-detail-summary__grid {
  display: grid;
  grid-template-columns: minmax(150px, 0.6fr) minmax(0, 2fr);
  gap: clamp(40px, 7vw, 120px);
}

.v2-detail-summary .v2-section-no {
  color: rgba(35, 31, 32, 0.62);
}

.v2-detail-summary__grid > div > strong {
  display: block;
  max-width: 940px;
  font-size: clamp(1.5rem, 2.7vw, 3rem);
  line-height: 1.38;
  letter-spacing: -0.03em;
}

.v2-detail-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  border-top: 1px solid rgba(35, 31, 32, 0.26);
}

.v2-detail-facts span {
  padding: 23px 24px 8px 0;
  font-size: 0.86rem;
  font-weight: 650;
}

.v2-detail-facts span + span {
  padding-left: 24px;
  border-left: 1px solid rgba(35, 31, 32, 0.26);
}

.v2-detail-facts small {
  display: block;
  margin-bottom: 7px;
  color: rgba(35, 31, 32, 0.58);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.v2-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(55px, 8vw, 130px);
  align-items: start;
}

.v2-detail-aside {
  position: sticky;
  top: 125px;
  padding: 34px;
  border-top: 5px solid var(--v2-orange);
  background: var(--v2-paper);
}

.v2-detail-aside > span {
  display: block;
  color: var(--v2-orange-deep);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.v2-detail-aside h2 {
  margin: 24px 0 16px;
  color: var(--v2-ink);
  font-size: clamp(1.65rem, 2.4vw, 2.35rem);
  line-height: 1.16;
}

.v2-detail-aside p {
  color: var(--v2-gray);
  font-size: 0.85rem;
}

.v2-detail-aside .v2-button {
  width: 100%;
  margin-top: 18px;
}

.v2-editor-meta {
  margin: 34px 0 0;
  padding-top: 25px;
  border-top: 1px solid var(--v2-line);
  font-size: 0.72rem;
}

.v2-editor-meta dt {
  margin-top: 12px;
  color: var(--v2-orange-deep);
  font-weight: 700;
}

.v2-editor-meta dd {
  margin: 3px 0 0;
  color: var(--v2-gray);
  overflow-wrap: anywhere;
}

.v2-related {
  padding: clamp(90px, 9vw, 150px) 0;
  background: var(--v2-paper);
}

.v2-brief-page {
  background: var(--v2-paper);
}

.v2-brief-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(48px, 8vw, 130px);
  align-items: start;
}

.v2-brief-intro {
  position: sticky;
  top: 125px;
}

.v2-brief-intro h2 {
  max-width: 580px;
  margin: 0;
  color: var(--v2-ink);
  font-size: clamp(2.7rem, 4.8vw, 5.5rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.v2-brief-intro > p:not(.v2-section-no) {
  max-width: 620px;
  margin: 28px 0 40px;
  color: var(--v2-gray);
  line-height: 1.85;
}

.v2-brief-intro ol {
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--v2-line);
  list-style: none;
}

.v2-brief-intro li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--v2-line);
}

.v2-brief-intro li span {
  color: var(--v2-orange-deep);
  font-size: 0.67rem;
  font-weight: 700;
}

.v2-brief-intro li strong {
  color: var(--v2-ink);
}

.v2-brief-intro li small {
  grid-column: 2;
  color: var(--v2-gray);
  font-size: 0.75rem;
}

.v2-brief-form {
  padding: clamp(28px, 4vw, 56px);
  background: var(--v2-white);
}

.v2-brief-form > span {
  display: block;
  color: var(--v2-orange-deep);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.v2-brief-form > h2 {
  margin: 16px 0 30px;
  color: var(--v2-ink);
  font-size: clamp(2rem, 3.2vw, 3.6rem);
  letter-spacing: -0.045em;
}

.v2-brief-form .changhe-form {
  padding: 0;
  margin: 0;
}

.v2-archive-hero {
  padding: 210px 0 100px;
  background: var(--v2-black);
  color: var(--v2-white);
}

.v2-archive-hero h1 {
  margin: 0;
  color: var(--v2-white);
  font-size: clamp(3rem, 7vw, 7rem);
  letter-spacing: -0.06em;
}

.v2-pagination {
  padding-top: 50px;
}

.v2-pagination .nav-links {
  display: flex;
  gap: 8px;
}

.v2-pagination a,
.v2-pagination span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--v2-line);
  color: var(--v2-ink);
  text-decoration: none;
}

.v2-pagination .current {
  border-color: var(--v2-orange);
  background: var(--v2-orange);
}

.v2-not-found {
  min-height: 100svh;
  padding: 210px 0 120px;
  background:
    radial-gradient(circle at 80% 30%, rgba(246, 134, 36, 0.25), transparent 30%),
    var(--v2-black);
  color: var(--v2-white);
}

.v2-not-found > .v2-shell > strong {
  display: block;
  color: var(--v2-orange);
  font-size: clamp(8rem, 22vw, 22rem);
  line-height: 0.82;
  letter-spacing: -0.08em;
}

.v2-not-found h1 {
  margin: 46px 0 12px;
  color: var(--v2-white);
  font-size: clamp(2.3rem, 4vw, 4.6rem);
}

.v2-not-found p {
  color: rgba(255, 255, 255, 0.62);
}

/* Project brief form */
.changhe-site-v2 .changhe-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding: 34px;
  margin-top: 30px;
  background: var(--v2-paper);
}

.changhe-site-v2 .changhe-form__field {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 9px;
}

.changhe-site-v2 .changhe-form__field--full {
  grid-column: 1 / -1;
}

.changhe-site-v2 .changhe-form label {
  color: var(--v2-ink);
  font-size: 0.78rem;
  font-weight: 700;
}

.changhe-site-v2 .changhe-form input:not([type="checkbox"]),
.changhe-site-v2 .changhe-form select,
.changhe-site-v2 .changhe-form textarea {
  width: 100%;
  min-height: 54px;
  padding: 12px 14px;
  border: 1px solid #c9c6c0;
  border-radius: 0;
  background: var(--v2-white);
  color: var(--v2-ink);
}

.changhe-site-v2 .changhe-form textarea {
  min-height: 150px;
  resize: vertical;
}

.changhe-site-v2 .changhe-form input:focus,
.changhe-site-v2 .changhe-form select:focus,
.changhe-site-v2 .changhe-form textarea:focus {
  border-color: var(--v2-orange);
  outline: 2px solid rgba(246, 134, 36, 0.18);
}

.changhe-site-v2 .changhe-form small {
  color: var(--v2-gray);
  font-size: 0.68rem;
}

.changhe-site-v2 .changhe-form button {
  min-height: 56px;
  padding: 0 26px;
  border: 0;
  border-radius: 0;
  background: var(--v2-orange);
  color: var(--v2-ink);
  font-weight: 700;
}

.changhe-form__notice {
  padding: 18px 20px;
  border-left: 4px solid var(--v2-orange);
  background: #fff6ed;
  color: var(--v2-ink);
}

@media (max-width: 1100px) {
  .v2-card-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .v2-article-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 54px;
  }
}

@media (max-width: 760px) {
  .v2-inner-hero {
    min-height: 680px;
  }

  .v2-inner-hero__image {
    object-position: 62% center;
  }

  .v2-inner-hero__veil {
    background:
      linear-gradient(90deg, rgba(10, 9, 10, 0.8), rgba(10, 9, 10, 0.12)),
      linear-gradient(0deg, rgba(10, 9, 10, 0.93), transparent 76%);
  }

  .v2-inner-hero__inner {
    padding-top: 140px;
    padding-bottom: 62px;
  }

  .v2-inner-hero h1 {
    font-size: clamp(2.9rem, 14vw, 5.2rem);
  }

  .v2-inner-hero__lead {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .v2-intro-grid,
  .v2-detail-summary__grid,
  .v2-article-layout,
  .v2-brief-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .v2-prose {
    font-size: 0.94rem;
  }

  .v2-prose--lead > p:first-child {
    font-size: 1.35rem;
  }

  .v2-prose table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .v2-group-head {
    grid-template-columns: 36px 1fr;
    gap: 16px;
  }

  .v2-group-head > em {
    display: none;
  }

  .v2-group-head h2 {
    font-size: 2.55rem;
  }

  .v2-card-grid--2,
  .v2-card-grid--3 {
    grid-template-columns: 1fr;
  }

  .v2-list-card {
    padding: 12px;
  }

  .v2-list-card p {
    min-height: 0;
  }

  .v2-contact-strip__grid,
  .v2-detail-facts {
    grid-template-columns: 1fr;
  }

  .v2-contact-strip__grid > div {
    min-height: 200px;
  }

  .v2-contact-strip strong {
    margin-top: 36px;
  }

  .v2-detail-facts span,
  .v2-detail-facts span + span {
    padding: 17px 0;
    border-left: 0;
    border-bottom: 1px solid rgba(35, 31, 32, 0.22);
  }

  .v2-detail-aside {
    position: static;
  }

  .v2-brief-intro {
    position: static;
  }

  .v2-brief-form {
    padding: 24px 18px;
  }

  .changhe-site-v2 .changhe-form {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .changhe-site-v2 .changhe-form__field--full {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .v2-inner-hero__image {
    animation: none;
  }

  .v2-list-card__media img {
    transition: none;
  }
}