/* ============================================================
   主题色变量 — 后续整站风格调整时，优先改这里即可
   ============================================================ */
:root {
  /* 主色：深海军蓝 */
  --color-primary: #0b1f3a;
  --color-primary-light: #163a5f;
  --color-primary-dark: #061225;

  /* 强调色（单色点缀，易替换） */
  --color-accent: #c45c26;
  --color-accent-hover: #a84a1c;

  /* 中性色 */
  --color-white: #ffffff;
  --color-off-white: #f5f7fa;
  --color-gray-100: #e8ecf1;
  --color-gray-200: #d0d7e0;
  --color-gray-500: #6b7785;
  --color-gray-700: #3a4450;
  --color-text: #1a2332;
  --color-text-muted: #5a6570;

  /* 语义色 */
  --color-success: #2d6a4f;
  --color-overlay: rgba(11, 31, 58, 0.72);

  /* 字体 */
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;

  /* 布局 */
  --max-width: 1180px;
  --header-height: 72px;
  --radius: 6px;
  --shadow-card: 0 4px 20px rgba(11, 31, 58, 0.08);
  --shadow-hover: 0 8px 28px rgba(11, 31, 58, 0.14);
  --transition: 0.25s ease;
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.section--alt {
  background: var(--color-off-white);
}

/* Products page: tighten stacked section gaps (~half default 72px paddings) */
#product-lines.section {
  padding-top: 22px;
  padding-bottom: 36px;
}
#knowledge-guides.section {
  padding-top: 36px;
  padding-bottom: 22px;
}
#solutions.section {
  padding-top: 22px;
  padding-bottom: 36px;
}

/* Homepage: tighten gap between about/stats and 产品 section */
#home-about.section {
  padding-top: 28px;
  padding-bottom: 36px;
}
#home-products.section {
  padding-top: 36px;
  padding-bottom: 28px;
}

/* Homepage: tighten contact-band vs products gap */
.contact-band.section {
  padding-top: 36px;
  padding-bottom: 36px;
}

/* Page gaps batch (v1.8.55): ~half stacked section paddings / tighter hero→content */
/* 1) category: hero → 产品线 */
#product-line.section {
  padding-top: 36px;
}
/* 2) solutions.html: hero → 解决方案 list */
#applications.section {
  padding-top: 36px;
  padding-bottom: 36px;
}
/* 3) solutions pager → bottom CTAs */
#solutions-cta.section {
  padding-top: 36px;
  padding-bottom: 36px;
}
/* 4) about: intro CTAs → 认证与合规 */
#intro.section {
  padding-bottom: 36px;
}
#certifications.section {
  padding-top: 36px;
}
/* 5+6) contact: hero → form; form → TRUST/工厂 */
#contact-inquiry.section {
  padding-top: 36px;
  padding-bottom: 36px;
}
#factory.section {
  padding-top: 36px;
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section__lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition),
    box-shadow var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
}

.btn--outline {
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--ghost {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
  box-shadow: 0 1px 0 rgba(11, 31, 58, 0.04);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
}

.logo__mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-light) 100%
  );
  display: grid;
  place-items: center;
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 800;
}

.logo__img {
  display: block;
  height: 36px;
  width: auto;
  max-width: 160px;
  max-height: 36px;
  object-fit: contain;
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-gray-700);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
}

.nav__link:hover {
  color: #0077c8;
  background: #e8f4fc;
}

.nav__link.is-active {
  color: #0077c8;
  background: #e8f4fc;
  box-shadow: inset 0 -2px 0 #0077c8;
}

.nav__cta {
  margin-left: 8px;
  padding: 8px 18px;
  background: var(--color-primary);
  color: var(--color-white) !important;
}

.nav__cta:hover {
  background: #0077c8;
  color: var(--color-white) !important;
}

.nav__cta.is-active {
  background: #0077c8;
  color: var(--color-white) !important;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 560px;
  background: var(--color-primary);
  color: var(--color-white);
  overflow: hidden;
}

.hero__slides {
  position: relative;
  min-height: 560px;
}

.hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
  background-color: var(--color-primary);
  background-image: linear-gradient(
      120deg,
      var(--color-primary-dark) 0%,
      var(--color-primary) 45%,
      var(--color-primary-light) 100%
    ),
    radial-gradient(
      ellipse at 80% 20%,
      rgba(196, 92, 38, 0.25) 0%,
      transparent 50%
    );
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Photo via <picture class="hero__media">; gradient scrim on ::after above media */
.hero__slide--image {
  background-image: none;
  background-color: var(--color-primary);
}

.hero__slide--image::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: linear-gradient(
    90deg,
    rgba(6, 24, 42, 0.72) 0%,
    rgba(6, 24, 42, 0.48) 28%,
    rgba(6, 24, 42, 0.18) 55%,
    rgba(6, 24, 42, 0.04) 75%,
    rgba(6, 24, 42, 0) 100%
  );
}

.hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  z-index: 0;
  display: block;
  overflow: hidden;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--hero-pos, center center);
  display: block;
}

.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
}

.hero__content {
  max-width: 560px;
  padding: 80px 0;
  position: relative;
  z-index: 2;
}

.hero__tag {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.45);
}

.hero__title {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.4);
}

.hero__desc {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 32px;
  max-width: 480px;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.45), 0 1px 3px rgba(0, 0, 0, 0.35);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__dots {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 6;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.95);
  background: transparent;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}

.hero__dot.is-active {
  background: var(--color-white);
  border-color: var(--color-white);
  transform: scale(1.15);
}

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.hero__arrow:hover,
.hero__arrow:focus-visible {
  background: rgba(0, 0, 0, 0.55);
  border-color: rgba(255, 255, 255, 0.9);
  outline: none;
}

.hero__arrow--prev {
  left: 16px;
}

.hero__arrow--next {
  right: 16px;
}

.hero__arrow svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* ========== Highlight cards (news / reports) ========== */
.highlights {
  margin-top: -48px;
  position: relative;
  z-index: 5;
  padding-bottom: 8px;
}

.highlights__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.highlights__more {
  margin-top: 28px;
  text-align: center;
}

.highlights__empty {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--color-accent);
  max-width: 520px;
}

.highlight-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--color-accent);
  transition: box-shadow var(--transition), transform var(--transition);
}

.highlight-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.highlight-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.highlight-card__title {
  font-size: 1rem;
  font-weight: 650;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 10px;
}

.highlight-card__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}

.highlight-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary-light);
}

.highlight-card__link:hover {
  color: var(--color-accent);
}


.highlight-card--placeholder {
  background: #f4f7f9;
  border-top-color: #c5d0d8;
  box-shadow: none;
  opacity: 0.85;
}

.highlight-card--placeholder:hover {
  transform: none;
  box-shadow: none;
}

.highlight-card--placeholder .highlight-card__label {
  color: #7a8b97;
}

.highlight-card--placeholder .highlight-card__title {
  color: #5a6b76;
}


/* ========== About ========== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about__visual {
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  background: linear-gradient(
    145deg,
    var(--color-primary) 0%,
    var(--color-primary-light) 60%,
    #2a5a8a 100%
  );
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  text-align: center;
  padding: 32px;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.stat {
  text-align: left;
}

.stat__num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ========== Explore products in settings ========== */
.explore__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.explore-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  color: var(--color-white);
  transition: transform var(--transition);
}

.explore-card:hover {
  transform: translateY(-4px);
}

.explore-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  z-index: 0;
}

.explore-card > * {
  position: relative;
  z-index: 1;
}

.explore-card--city {
  background: linear-gradient(160deg, #1a3a5c, #0d2137);
}

.explore-card--country {
  background: linear-gradient(160deg, #2d5a3d, #1a3324);
}

.explore-card--sea {
  background: linear-gradient(160deg, #1a4a6e, #0c2a40);
}

.explore-card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
}

.explore-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.explore-card__text {
  font-size: 0.9rem;
  opacity: 0.88;
  margin-bottom: 16px;
}

.explore-card__link {
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ========== Sustainability / Net-zero ========== */
.sustain {
  background: var(--color-primary);
  color: var(--color-white);
}

.sustain .section__title {
  color: var(--color-white);
}

.sustain .section__lead {
  color: rgba(255, 255, 255, 0.8);
}

.sustain__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

.sustain__goals {
  display: grid;
  gap: 16px;
}

.goal {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-accent);
}

.goal__year {
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
  color: var(--color-accent);
}

.goal__text {
  font-size: 0.95rem;
  opacity: 0.92;
}

/* ========== SDS / Product index CTA ========== */
.cta-band {
  background: var(--color-off-white);
  border-top: 1px solid var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-100);
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.cta-band__text {
  color: var(--color-text-muted);
  max-width: 480px;
}

.cta-band__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ========== Home contact band ========== */
.contact-band {
  background: linear-gradient(
    120deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 55%,
    var(--color-primary-light) 100%
  );
  color: var(--color-white);
}

.contact-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.contact-band__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-white);
}

.contact-band__text {
  max-width: 520px;
  opacity: 0.92;
  line-height: 1.65;
}

.contact-band__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 18px;
  padding: 0;
  list-style: none;
}

.contact-band__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.95rem;
}

.contact-band__k {
  opacity: 0.7;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.contact-band__item a {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-band__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-band .btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.contact-band .btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.contact-band .btn--outline {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.contact-band .btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.contact-band--image {
  background-image: linear-gradient(
      105deg,
      rgba(6, 18, 37, 0.78) 0%,
      rgba(11, 31, 58, 0.55) 40%,
      rgba(22, 58, 95, 0.28) 72%,
      rgba(22, 58, 95, 0.15) 100%
    ),
    var(--contact-band-bg);
  background-size: cover;
  background-position: center;
  min-height: 220px;
  padding-top: 56px;
  padding-bottom: 56px;
}

.contact-band--image .contact-band__title {
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.contact-band--image .contact-band__text {
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

/* ========== Teaser cards (Sustainability + Careers) ========== */
.teasers__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.teaser {
  border-radius: 10px;
  padding: 40px 36px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.teaser--green {
  background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 100%);
}

.teaser--blue {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
}

.teaser__label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  opacity: 0.85;
  margin-bottom: 10px;
}

.teaser__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.teaser__text {
  font-size: 0.95rem;
  opacity: 0.88;
  margin-bottom: 20px;
  max-width: 360px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.footer__brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer__col-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.footer__actions .btn--outline {
  border-width: 1.5px;
}

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  opacity: 0.7;
}

.version-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  opacity: 0.9;
}

/* ========== Responsive ========== */
@media (max-width: 1200px) {
  .explore__grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 960px) {
  .highlights__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__grid,
  .sustain__grid,
  .explore__grid,
  .teasers__grid,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .about__visual {
    min-height: 220px;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: 16px;
    border-bottom: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-card);
    gap: 4px;
  }

  .nav.is-open {
    display: flex;
  }

  .nav__cta {
    margin-left: 0;
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 600px) {
  .highlights__grid {
    grid-template-columns: 1fr;
  }

  .about__stats {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 48px 0;
  }

  #product-lines.section { padding-top: 18px; padding-bottom: 28px; }
  #knowledge-guides.section { padding-top: 28px; padding-bottom: 18px; }
  #solutions.section { padding-top: 18px; padding-bottom: 28px; }
  #home-about.section { padding-top: 22px; padding-bottom: 28px; }
  .highlights { padding-bottom: 4px; }
  #home-products.section { padding-top: 28px; padding-bottom: 22px; }
  .contact-band.section { padding-top: 28px; padding-bottom: 28px; }

  #product-line.section { padding-top: 28px; }
  #applications.section { padding-top: 28px; padding-bottom: 28px; }
  #solutions-cta.section { padding-top: 28px; padding-bottom: 28px; }
  #intro.section { padding-bottom: 28px; }
  #certifications.section { padding-top: 28px; }
  #contact-inquiry.section { padding-top: 28px; padding-bottom: 28px; }
  #factory.section { padding-top: 28px; }

  .hero {
    min-height: 480px;
  }

  .hero__slides {
    min-height: 480px;
  }

  .hero__arrow {
    width: 38px;
    height: 38px;
  }

  .hero__arrow--prev {
    left: 8px;
  }

  .hero__arrow--next {
    right: 8px;
  }

  .hero__dots {
    bottom: 48px;
  }

  .cta-band__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-band__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========== Page hero (inner pages) ========== */
.page-hero {
  background: linear-gradient(
    120deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 55%,
    var(--color-primary-light) 100%
  );
  color: var(--color-white);
  padding: 56px 0 28px;
}

.page-hero__title {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
}

.page-hero__desc {
  font-size: 1.05rem;
  opacity: 0.88;
  max-width: 640px;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  padding: 16px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-primary-light);
  font-weight: 500;
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb__sep {
  margin: 0 8px;
  opacity: 0.5;
}

.page-hero .breadcrumb {
  padding-top: 0;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.page-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
}

.page-hero .breadcrumb a:hover {
  color: var(--color-white);
}

/* ========== Content prose ========== */
.prose {
  max-width: 720px;
}

.prose p {
  margin-bottom: 16px;
  color: var(--color-text-muted);
}

.prose h3 {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin: 28px 0 12px;
}

.prose ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin-bottom: 16px;
  color: var(--color-text-muted);
}

.prose li {
  margin-bottom: 6px;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 16px 0;
  display: block;
}

.prose h2 {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin: 32px 0 12px;
}

.prose a {
  color: var(--color-accent, #1a9b7a);
}

.prose a.btn {
  text-decoration: none;
}
.prose a.btn--primary {
  color: var(--color-white);
}
.prose a.btn--primary:hover {
  color: var(--color-white);
}
.prose a.btn--ghost {
  color: var(--color-primary);
}

.article-actions,
.content-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  align-items: center;
  margin-top: 28px;
}

.article-actions .btn,
.content-actions .btn {
  margin-left: 0;
  padding: 10px 14px;
  font-size: 0.875rem;
  white-space: nowrap;
  flex: 0 0 auto;
}

.article-actions--about {
  gap: 10px;
  justify-content: center;
}
.article-actions--about .btn {
  padding: 10px 16px;
}

@media (max-width: 720px) {
  .article-actions,
  .content-actions {
    flex-wrap: wrap;
  }
}

.prose strong, .prose b {
  color: var(--color-text);
  font-weight: 700;
}

.prose ol {
  list-style: decimal;
  padding-left: 1.25rem;
  margin-bottom: 16px;
  color: var(--color-text-muted);
}

.prose blockquote {
  border-left: 3px solid var(--color-accent, #1a9b7a);
  margin: 16px 0;
  padding: 8px 16px;
  color: var(--color-text-muted);
  background: var(--color-off-white, #f8fafc);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 20px;
  font-size: 0.95rem;
  overflow-x: auto;
  display: block;
  max-width: 100%;
}
.prose thead { display: table-header-group; }
.prose tbody { display: table-row-group; }
.prose tr { display: table-row; }
.prose th,
.prose td {
  display: table-cell;
  border: 1px solid var(--color-gray-100, #e2e8f0);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  color: var(--color-text-muted);
}
.prose th {
  background: var(--color-off-white, #f8fafc);
  color: var(--color-primary);
  font-weight: 700;
}
.prose caption {
  caption-side: top;
  text-align: left;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
}

/* ========== Quality Inspection Report (质检报告) ========== */
.prose table.coa-table {
  display: table;
  width: 100%;
  max-width: none;
  min-width: 0;
  table-layout: fixed;
  border-collapse: collapse;
  border: 1.5px solid #334155;
  margin: 18px 0 6px;
  font-size: 14px;
  line-height: 1.45;
  color: #1e293b;
  overflow: visible;
  background: #fff;
}
.prose table.coa-table col.coa-col-no { width: 9%; }
.prose table.coa-table col.coa-col-item { width: 31%; }
.prose table.coa-table col.coa-col-unit { width: 18%; }
.prose table.coa-table col.coa-col-typ { width: 21%; }
.prose table.coa-table col.coa-col-val { width: 21%; }
.prose table.coa-table thead {
  display: table-header-group;
}
.prose table.coa-table tbody {
  display: table-row-group;
}
.prose table.coa-table tr {
  display: table-row;
}
.prose table.coa-table th,
.prose table.coa-table td {
  display: table-cell;
  border: 1px solid #cbd5e1;
  padding: 8px 12px;
  text-align: center;
  vertical-align: middle;
  color: #1e293b;
  word-break: normal;
  overflow-wrap: break-word;
  white-space: normal;
  font-weight: 400;
}
.prose table.coa-table th {
  background: #f1f5f9;
  font-weight: 600;
  color: #0f172a;
}
/* Title */
.prose table.coa-table thead tr.coa-title th,
.prose table.coa-table thead tr:first-child th {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 12px 12px;
  background: #fff;
  border-bottom-color: #94a3b8;
  color: #0f172a;
}
/* Company */
.prose table.coa-table thead tr.coa-company th,
.prose table.coa-table thead tr:nth-child(2) th {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: #fff;
  padding: 8px 12px;
  color: #334155;
}
/* Product meta row */
.prose table.coa-table thead tr.coa-meta th,
.prose table.coa-table thead tr.coa-meta td,
.prose table.coa-table thead tr:nth-child(3) th,
.prose table.coa-table thead tr:nth-child(3) td {
  background: #fff;
  padding: 8px 12px;
  font-weight: 500;
}
/* Column headers */
.prose table.coa-table thead tr.coa-cols th,
.prose table.coa-table thead tr:nth-child(4) th {
  background: #f1f5f9;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 10px;
  white-space: nowrap;
  color: #0f172a;
  border-bottom: 1px solid #94a3b8;
}
/* 项目 column left-align */
.prose table.coa-table tbody td:nth-child(2),
.prose table.coa-table thead tr.coa-cols th:nth-child(2),
.prose table.coa-table thead tr:nth-child(4) th:nth-child(2) {
  text-align: left;
  padding-left: 14px;
}
.prose table.coa-table tbody tr:nth-child(even) td {
  background: #fafbfc;
}
.prose table.coa-table tbody tr.coa-remark th,
.prose table.coa-table tbody tr.coa-remark td,
.prose table.coa-table tbody tr:last-child th,
.prose table.coa-table tbody tr:last-child td {
  background: #fff;
  padding: 9px 12px;
  text-align: left;
}
.prose table.coa-table tbody tr.coa-remark th,
.prose table.coa-table tbody tr:last-child th {
  text-align: center;
  font-weight: 600;
  background: #f8fafc;
}
.prose table.coa-table td[colspan],
.prose table.coa-table th[colspan] {
  background: #fff;
}

.prose .coa-note {
  margin: 4px 0 22px;
  padding: 0 2px;
  font-size: 12px;
  line-height: 1.6;
  font-weight: 400;
  color: #64748b;
}

/* ========== Two-col content ========== */
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 44px;
  align-items: start;
}

.content-aside {
  background: var(--color-off-white);
  border-radius: 12px;
  padding: 20px 16px;
  border: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-card, 0 1px 3px rgba(15, 23, 42, 0.04));
}

.content-aside__section + .content-aside__section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--color-gray-100);
}

.content-aside__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}

.content-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.content-aside__list li {
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.content-aside__list li:last-child {
  margin-bottom: 0;
}

.content-aside__list a {
  color: var(--color-primary-light);
  font-weight: 500;
  text-decoration: none;
}

.content-aside__list a:hover {
  color: var(--color-accent);
}

.content-aside__empty {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* Aside related article cards (图文) */
.aside-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.aside-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--color-white, #fff);
  border: 1px solid var(--color-gray-100);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition, 0.2s ease),
    box-shadow var(--transition, 0.2s ease),
    transform var(--transition, 0.2s ease);
}

.aside-card:hover {
  border-color: var(--color-accent, #1a9b7a);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
  text-decoration: none;
}

.aside-card__media {
  display: block;
  width: 100%;
  height: 80px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
}

.aside-card__media--empty {
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent, #1a9b7a), transparent);
}

.aside-card--no-media .aside-card__media {
  height: 6px;
}

.aside-card__img {
  display: block;
  width: 100%;
  height: 80px;
  object-fit: cover;
  object-position: center;
}

.aside-card__body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px 12px;
}

.aside-card__title {
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--color-primary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.aside-card__text {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.aside-card:hover .aside-card__title {
  color: var(--color-accent, #1a9b7a);
}

/* Compact product-line thumbs in 相关产品线 aside */
.aside-cards--lines {
  gap: 10px;
}
.aside-card--line {
  flex-direction: row;
  align-items: stretch;
  min-height: 56px;
}
.aside-card--line .aside-card__media {
  width: 72px;
  height: 56px;
  flex-shrink: 0;
}
.aside-card--line .aside-card__img {
  width: 100%;
  height: 56px;
  object-fit: cover;
}
.aside-card--line .aside-card__media--empty {
  width: 72px;
  height: 56px;
}
.aside-card--line .aside-card__body {
  justify-content: center;
  padding: 8px 12px;
  gap: 2px;
}
.aside-card--line .aside-card__title {
  -webkit-line-clamp: 1;
  font-size: 0.9rem;
}
.aside-card--line .aside-card__text {
  -webkit-line-clamp: 1;
  font-size: 0.75rem;
}
.aside-card--line.is-active {
  border-color: var(--color-accent, #1a9b7a);
  box-shadow: 0 0 0 1px rgba(26, 155, 122, 0.25);
}

/* ========== Product cards grid ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: 10px;
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.product-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.product-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.product-card__title a {
  color: inherit;
  text-decoration: none;
}

.product-card__title a:hover {
  color: var(--color-accent);
}

.product-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.product-card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-light);
}

.product-card__link:hover {
  color: var(--color-accent);
}

/* ========== Resource table ========== */
.resource-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  align-items: center;
}

.resource-search {
  flex: 1;
  min-width: 220px;
  padding: 12px 16px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
}

.resource-search:focus {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 1px;
}

.resource-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-gray-100);
  border-radius: 10px;
  background: var(--color-white);
}

.resource-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.resource-table th,
.resource-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-100);
}

.resource-table th {
  background: var(--color-off-white);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
}

.resource-table tr:last-child td {
  border-bottom: none;
}

.resource-table a {
  color: var(--color-primary-light);
  font-weight: 600;
}

.resource-table a:hover {
  color: var(--color-accent);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.badge--sds {
  background: rgba(196, 92, 38, 0.12);
  color: var(--color-accent);
}

.badge--tds {
  background: rgba(11, 31, 58, 0.1);
  color: var(--color-primary);
}

/* ========== Job cards ========== */
.job-list {
  display: grid;
  gap: 16px;
}

.job-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 24px 28px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: 10px;
  box-shadow: var(--shadow-card);
}

.job-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.job-card__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ========== Contact form ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 1px;
}

.form-note {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(45, 106, 79, 0.1);
  color: var(--color-success);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.office-card {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.office-card:last-child {
  border-bottom: none;
}

.office-card__city {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.office-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ========== Article / detail meta ========== */
.article-meta {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.detail-visual {
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  background: linear-gradient(
    145deg,
    var(--color-primary) 0%,
    var(--color-primary-light) 60%,
    #2a5a8a 100%
  );
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 32px;
  text-align: center;
  padding: 24px;
}

.detail-visual--city {
  background: linear-gradient(160deg, #1a3a5c, #0d2137);
}

.detail-visual--country {
  background: linear-gradient(160deg, #2d5a3d, #1a3324);
}

.detail-visual--sea {
  background: linear-gradient(160deg, #1a4a6e, #0c2a40);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 960px) {
  .content-grid,
  .contact-grid,
  .product-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }
}


/* ========== Replaceable photo backgrounds (v1.2.3) ========== */
.about__visual--image {
  background-image: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.08) 0%,
      rgba(0, 0, 0, 0) 40%,
      rgba(0, 0, 0, 0.12) 100%
    ),
    var(--about-bg);
  background-size: cover;
  background-position: center;
  color: rgba(255, 255, 255, 0.92);
}

.teaser--image {
  background-image: linear-gradient(
      160deg,
      rgba(0, 0, 0, 0.18) 0%,
      rgba(0, 0, 0, 0.32) 100%
    ),
    var(--teaser-bg);
  background-size: cover;
  background-position: center;
}

.teaser--image .teaser__title,
.teaser--image .teaser__text,
.teaser--image .teaser__label {
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45);
}

.sustain--image {
  background-image: linear-gradient(
      105deg,
      rgba(7, 35, 54, 0.72) 0%,
      rgba(11, 61, 92, 0.48) 55%,
      rgba(11, 61, 92, 0.28) 100%
    ),
    var(--sustain-bg);
  background-size: cover;
  background-position: center;
}

.cta-band--image {
  background-image: linear-gradient(
      120deg,
      rgba(255, 255, 255, 0.85) 0%,
      rgba(248, 250, 252, 0.75) 100%
    ),
    var(--cta-bg);
  background-size: cover;
  background-position: center;
}

.page-hero--image {
  min-height: 320px;
  padding: 72px 0 64px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(
      105deg,
      rgba(7, 35, 54, 0.86) 0%,
      rgba(7, 35, 54, 0.68) 32%,
      rgba(11, 61, 92, 0.28) 62%,
      rgba(11, 61, 92, 0.12) 100%
    ),
    var(--page-hero-bg);
  background-size: cover;
  background-position: center;
}

.page-hero--image .page-hero__title {
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
  letter-spacing: 0.01em;
}

.page-hero--image .page-hero__desc {
  max-width: 520px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.page-hero--image .breadcrumb {
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

@media (max-width: 960px) {
  .page-hero--image {
    min-height: 250px;
    padding: 56px 0 48px;
    background-image: linear-gradient(
        105deg,
        rgba(7, 35, 54, 0.88) 0%,
        rgba(7, 35, 54, 0.72) 40%,
        rgba(11, 61, 92, 0.42) 70%,
        rgba(11, 61, 92, 0.22) 100%
      ),
      var(--page-hero-bg);
  }

  .page-hero--image .page-hero__desc {
    max-width: 100%;
  }
}

.explore-card--image {
  background-image: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.18) 0%,
      rgba(0, 0, 0, 0.28) 45%,
      rgba(0, 0, 0, 0.4) 100%
    ),
    var(--card-bg);
  background-size: cover;
  background-position: center;
}

.explore-card--image::before {
  background: transparent;
}

.explore-card--image .explore-card__title,
.explore-card--image .explore-card__text {
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.55), 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* Split product-line cards: image band + solid text panel (readable) */
.explore-card--split {
  min-height: 0;
  padding: 0;
  color: var(--color-text);
  justify-content: flex-start;
  background: var(--color-white);
  border: 1px solid rgba(11, 31, 58, 0.08);
  box-shadow: 0 8px 24px rgba(11, 31, 58, 0.06);
}

.explore-card--split::before {
  display: none;
}

.explore-card--split > * {
  position: static;
  z-index: auto;
}

.explore-card__media {
  display: block;
  width: 100%;
  height: 150px;
  flex-shrink: 0;
  background-color: #e8eef5;
  background-image: var(--card-bg);
  background-size: cover;
  background-position: center;
}

.explore-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 18px 20px;
  background: var(--color-white);
  color: var(--color-text);
}

.explore-card--split .explore-card__icon {
  width: 36px;
  height: 36px;
  margin-bottom: 10px;
  background: rgba(11, 31, 58, 0.08);
  color: var(--color-primary);
  font-size: 1.05rem;
}

.explore-card--split .explore-card__title {
  color: var(--color-primary);
  font-size: 1.15rem;
  margin-bottom: 6px;
  text-shadow: none;
}

.explore-card--split .explore-card__text {
  color: var(--color-text-muted);
  opacity: 1;
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 14px;
  flex: 1;
  text-shadow: none;
}

.explore-card--split .explore-card__link {
  color: var(--color-primary);
  text-decoration: none;
  align-self: flex-start;
}

.explore-card--split .explore-card__link:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.explore-card--split:hover {
  box-shadow: 0 12px 28px rgba(11, 31, 58, 0.1);
}


/* WebP <picture> wrapper: keep img layout as direct child of card */
.highlight-card picture,
.product-card picture,
.trust-block__media picture {
  display: contents;
}

.highlight-card__media {
  display: block;
  width: calc(100% + 44px);
  max-width: none;
  height: 180px;
  object-fit: cover;
  border-radius: 8px 8px 0 0;
  margin: -24px -22px 14px;
}

.highlight-card--has-media {
  padding-top: 0;
  overflow: hidden;
}

.product-card__media {
  display: block;
  width: calc(100% + 48px);
  max-width: none;
  height: 180px;
  object-fit: cover;
  border-radius: 8px 8px 0 0;
  margin: -28px -24px 14px;
}

.product-card--has-media {
  padding-top: 0;
  overflow: hidden;
}

.detail-visual--image {
  background-image: linear-gradient(
      145deg,
      rgba(7, 35, 54, 0.18) 0%,
      rgba(11, 61, 92, 0.08) 100%
    ),
    var(--detail-bg);
  background-size: cover;
  background-position: center;
  color: transparent;
  font-size: 0;
}


/* ----- 全站右下角在线咨询浮钮 ----- */
.wa-float {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--color-accent, #1a9b7a);
  color: #fff !important;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none !important;
  box-shadow: 0 8px 24px rgba(11, 61, 92, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.wa-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(11, 61, 92, 0.35);
  filter: brightness(1.05);
}
.wa-float__label::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35);
  vertical-align: middle;
}
@media (max-width: 640px) {
  .wa-float {
    right: 14px;
    bottom: 16px;
    padding: 10px 14px;
    font-size: 0.88rem;
  }
}


/* ========== List pagination ========== */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 28px;
}

.pager__btn {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  background: var(--color-white);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.pager__btn:hover:not(:disabled) {
  background: #0077c8;
  border-color: #0077c8;
  color: var(--color-white);
}

.pager__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pager__status {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}


/* ========== Nav dropdown (产品) ========== */
.nav__item {
  position: relative;
}
.nav__item--has-dropdown {
  display: flex;
  align-items: center;
  align-self: stretch;
}
.nav__caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 4px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  vertical-align: middle;
  opacity: 0.7;
}
.nav__dropdown {
  display: none;
  position: absolute;
  /* 贴紧触发项，避免缝隙导致 hover 断开 */
  top: calc(100% - 2px);
  left: 0;
  min-width: 200px;
  padding: 8px;
  padding-top: 10px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  z-index: 40;
}
.nav__dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 14px;
}
.nav__item--has-dropdown:hover .nav__dropdown,
.nav__item--has-dropdown:focus-within .nav__dropdown {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav__dropdown-link {
  display: block;
  padding: 10px 12px;
  font-size: 0.9rem;
  color: var(--color-gray-700);
  border-radius: 6px;
  white-space: nowrap;
}
.nav__dropdown-link:hover {
  color: #0077c8;
  background: #e8f4fc;
}
.nav__dropdown-link--overview {
  font-weight: 600;
  border-bottom: 1px solid var(--color-gray-100);
  margin-bottom: 4px;
  padding-bottom: 12px;
}

@media (max-width: 960px) {
  .nav__item--has-dropdown {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .nav__dropdown {
    position: static;
    display: none;
    box-shadow: none;
    border: none;
    padding: 4px 0 4px 12px;
    min-width: 0;
    background: transparent;
  }
  .nav__item--has-dropdown.is-open .nav__dropdown {
    display: flex;
    flex-direction: column;
  }
  .nav__item--has-dropdown:hover .nav__dropdown {
    /* mobile uses tap toggle; keep closed until .is-open */
    display: none;
  }
  .nav__item--has-dropdown.is-open:hover .nav__dropdown,
  .nav__item--has-dropdown.is-open .nav__dropdown {
    display: flex;
  }
}

/* ========== Contact trust / map ========== */
.trust-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  margin-top: 28px;
  align-items: stretch;
}
.trust-block__img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  max-height: 320px;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}
.trust-block__map-frame {
  overflow: hidden;
  border-radius: 10px;
  height: 280px;
  position: relative;
  background: var(--color-gray-100);
}
.trust-block__iframe {
  width: 100%;
  height: 308px; /* taller than frame to clip OSM attribution footer */
  border: 0;
  display: block;
  background: var(--color-gray-100);
  pointer-events: auto;
}
.trust-block__map-note {
  margin-top: 10px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
@media (max-width: 800px) {
  .trust-block {
    grid-template-columns: 1fr;
  }
}

.form-feedback {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #e8f4fc;
  border: 1px solid #b7d9f0;
  color: var(--color-primary);
  font-size: 0.92rem;
  line-height: 1.55;
}
.form-feedback a {
  color: #0077c8;
  text-decoration: underline;
}

/* ========== Product selection steps ========== */
.selection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}
.selection-step {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: 12px;
  padding: 22px 20px;
  box-shadow: var(--shadow-card);
}
.selection-step__num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #0077c8;
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}
.selection-step__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.selection-step__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  line-height: 1.55;
}
.selection-step__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.selection-step__link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: 999px;
  background: #e8f4fc;
  color: #0077c8;
  font-weight: 500;
}
.selection-step__link:hover {
  background: #0077c8;
  color: #fff;
}
@media (max-width: 900px) {
  .selection-grid {
    grid-template-columns: 1fr;
  }
}



/* ========== Knowledge guides (选型知识) ========== */
.knowledge-guides {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--color-gray-100);
}
.knowledge-guides__title {
  font-size: 1.25rem;
  margin: 4px 0 8px;
}
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.knowledge-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: 12px;
  padding: 18px 16px;
  box-shadow: var(--shadow-card);
}
.knowledge-card__title {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.4;
}
.knowledge-card__title a {
  color: inherit;
  text-decoration: none;
}
.knowledge-card__title a:hover {
  color: #0077c8;
}
.knowledge-card__text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}
.knowledge-card__link {
  font-size: 0.88rem;
  font-weight: 500;
  color: #0077c8;
}
@media (max-width: 900px) {
  .knowledge-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== Custom 404 ========== */
.error-404 {
  max-width: 640px;
  padding: 48px 0 24px;
}
.error-404__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* In-page anchors (sticky header) */
#intro,
#certifications,
#applications,
#knowledge-guides {
  scroll-margin-top: calc(var(--header-height) + 16px);
}